describe how self-organising maps can be used to produce good
visualizations of data and,
an empirical approach to testing the effectiveness of a graph
drawing method

Answers

Answer 1

Self-organizing maps (SOMs) are artificial neural network models used for mapping high-dimensional data into lower-dimensional space, producing a "map" of the input data that retains the topological properties of the original data

By grouping similar data points into clusters, SOMs can create a low-dimensional representation of the data that preserves the topology of the original space. This results in an

intuitive and easily understandable visualization that can be used for exploratory data analysis and hypothesis generation.An empirical approach to testing the effectiveness of a graph drawing method involves evaluating the quality of the graph produced using a set of standardized metrics.

The most commonly used metrics include edge crossings, aspect ratio, symmetry, clarity, and compactness. These metrics can be calculated for the graph produced by the method and compared to the metrics of other graphs produced by different methods.

The method that produces the graph with the highest quality metrics is considered the most effective. This approach ensures that the effectiveness of the graph drawing method is evaluated objectively and based on measurable criteria.

To know more about network  visit:

brainly.com/question/31319689

#SPJ11


Related Questions

why do we need to force the input to be the integer data type.

Answers

We need to force the input to be an integer data type to ensure it is a whole number, maintain accuracy in calculations, prevent errors, and improve program performance.

When working with numbers in programming, it is crucial to ensure that the data type of the input matches the required format for the operation being performed. Here are the reasons why we need to force the input to be an integer data type:

Ensuring Whole Numbers: The integer data type ensures that the input is a whole number, which is necessary for certain operations and calculations.

Avoiding Errors: If the input is not an integer, we may encounter errors or incorrect results in our calculations. For example, if we try to add a decimal value to an integer value, the result may be unexpected or incorrect.

Improving Performance: Integer operations are generally faster than operations involving decimals or strings. By forcing the input to be an integer, we can improve the efficiency and performance of our code.

Consistent Data Format: By enforcing the integer data type, we can maintain consistency in our data format throughout the program, making it easier to debug and maintain the code.

In summary, forcing the input to be an integer data type is essential for ensuring accuracy, avoiding errors, improving performance, and maintaining consistency in our data format.

Know more about the click here:

https://brainly.com/question/14581918

#SPJ11

A Naval-base security system using eye scanners erroneously refuses to admit 3 in 100 authorized soldiers from a facility containing an artillery battery. The device erroneously admits 1 in 500 unauthorized persons. Assume that 99% of those who seek access are authorized. What is the probability that person is denied access conditional on being authorized? (three decimal places)
0.002
0.030
0.006
0.990


Answers

The probability that a person is denied access, given that they are authorized, can be calculated using Bayes' theorem. We need to find the probability of being denied access and being authorized, and divide it by the probability of being authorized.

First, we calculate the probability of being denied access and being authorized. This is equal to the probability of being denied access, given that they are authorized, multiplied by the probability of being authorized.
The probability of being denied access, given that they are authorized, can be calculated as (3/100) * (1/99) = 0.000303.
The probability of being authorized is given as 99%.
Now we can calculate the conditional probability of being denied access, given that they are authorized, by dividing the probability of being denied access and being authorized by the probability of being authorized.
Therefore, the probability that a person is denied access conditional on being authorized is 0.000303 / 0.99 = 0.003.
The probability that a person is denied access conditional on being authorized is 0.003.

To know more about Bayes theorem, Visit:

https://brainly.com/question/29598596

#SPJ11

if a person walks 10 metres due to south in 10 seconds 10 due east in the next 10 seconds and transmitted you're not in the next 10 seconds then he has Dash velocity​

Answers

Answer:

\(\frac{1}{3}\ m/s\)

Explanation:

The computation of the velocity by using the following formula is

As we know that

\(Velocity = \frac{Displacement}{Total\ time\ taken}\)

where,

Displacement is 10 meters

Total time taken is 30 seconds

Now placing these values to the above formula

So, the velocity of Dash is

\(= \frac{10\ meters}{30\ seconds}\)

\(= \frac{1}{3}\ m/s\)

We simply applied the above formula so that we can get the velocity and the same is to be considered

Which type of DSL (Digital Subscriber Line) technology has equal download and upload speeds maxing out at around 2 Mbps?
a. ADSL2+ (Asymmetric DSL)
b. VDSL (Very High Bit Rate DSL or Variable DSL)
c. HDSL (high DSL)
d. SDSL (Symmetric DSL)

Answers

The option d is correct. the type of DSL technology that has equal download and upload speeds maxing out at around 2 Mbps is SDSL (Symmetric DSL).

Unlike other DSL technologies such as ADSL2+ and VDSL, SDSL offers equal bandwidth for both uploads and downloads. This makes it ideal for businesses and individuals who require high-speed internet for activities such as video conferencing and large file transfers. However, SDSL has a limited reach and is only available in areas with close proximity to the service provider's central office. Additionally, it is more expensive than ADSL and other asymmetric DSL technologies. Overall, SDSL is a great option for those who need equal upload and download speeds but is not widely available and can be costly.

To know more about technology visit:

https://brainly.com/question/9171028

#SPJ11

which of the following is true? there is exactly one and only one statement on each line of code. there can be more than one statement on a line, but a statement must not extend over more than one line. statements can extend over more than one line but there must not be more than one statement on a line. there are no language rules regarding statements and line in general.

Answers

A statement may or may not span many lines. If an assertion spans more than one line, it must In fact, statements outside of catch block will be executed.

What categories of statements exist?

A proclamation that it is true is a statement like "Pizza is tasty." There are more different kinds of statements in the legal, banking, and governmental sectors. Every sentence contains an assertion or a purpose. If you witness an accident, you must provide a statement to the police detailing what you saw.

What do simple statements mean in English?

Simple sentences only include one independent clause, also known as the main clause, and no dependent or subordinate clauses. A single sentence should be used to convey a whole idea. A

To know more about statements visit:

https://brainly.com/question/29892325

#SPJ4

This is 10 points. Which line of code will display the variable num rounded to the nearest tenth?

A. print(num, round)

B. print(round(num, 1))

C. print(num rounded)

D.print(round(num,.1))

Answers

Answer:print(num, round)

Explanation:print(num, round)

Answer:

B trust me i got it correct

Explanation:

This is 10 points. Which line of code will display the variable num rounded to the nearest tenth?A. print(num,

Jasmine is a commercial artist her is is the one most often used by graphic designers publishers and others in her field the os she most likely uses is
Windows
MS-DOS
Max
Linux

Answers

OS is for mac so she used the mac computer

Which website has the highest pagerank? explain your answer, especially in light of any negative numbers that may have appeared in your solutions. List the remaining websites in decreasing pagerank order

Answers

The website with the highest pagerank is Goo-glecom. This is because Goo-gle has the most inbound links from other websites, which is one of the main factors in determining pagerank.

Additionally, Goo-gle has a large number of high-quality inbound links from other reputable websites, which also contributes to its high pagerank.

In terms of negative numbers appearing in solutions, it is important to note that pagerank is calculated on a logarithmic scale, meaning that a small change in PageRank can have a large impact on a website's ranking. Therefore, even if a website has a negative number in its pagerank calculation, it may still have a high overall pagerank due to other factors such as inbound links and quality of content.

Learn more about website with pagerank:

brainly.com/question/29565417

#SPJ11

Have you watched, or listened to, a documentary on your computer, smartphone, or on demand? Do you think these new distribution choices help or hurt future opportunities for video journalists? Support your answer.

Answers

Answer:

Yes, and No it does not hurt their opportunities

Explanation:

The main goal of video journalism is to get their work in front of as many people as possible so they can share their stories with the entire world. These platforms allow for this to happen. Smartphones, Computers, On-demand video platforms, etc. all allow Video Journalists to publish their work in various different platforms and formats in order to get their work seen by hundreds, thousands, or even millions of individuals. Therefore, It does not hurt video journalists, but instead encourages them and helps them further their work by creating more opportunities.

what is the error in this code? void myfct(int

Answers

Error is a user-performed illegal action that causes the application to operate abnormally.

Programming mistakes frequently go unnoticed until the program is compiled or run. A few of the errors prevent the program from being built or run. Syntax code errors might include missing semicolons, excessive brackets, misspelled instructions, and incorrect capitalization. Errors in syntax are some of the simplest to discover and correct. This is due to the fact that your compiler frequently tells you where the error is.

#include <stdio.h>

#include <stdlib.h>

#include "functions.h"

int main()

{

myFct();

return 0;

}

Learn more about programming here-

https://brainly.com/question/11023419

#SPJ4

PLS ANSWER NOW QUICKLY!!!!
If the car can recognize and have an understanding or estimation of more information about the people involved should that influence the decision that is made? To clarify with an example: if the car’s software can recognize that a pedestrian is a mother with two children in a stroller or a pregnant woman, should that be factored into the decision that is made by the software? Why or why not?

Answers

Ethical implications of recognizing vulnerable individuals in autonomous vehicle decision-making

The use of additional information in the decision-making process of an autonomous vehicle raises ethical and moral questions. Recognizing and prioritizing the safety of vulnerable individuals at risk of injury in an accident ensures safety.

Using such information could raise concerns about privacy, bias, and discrimination. The technology used to recognize and understand pedestrians may need to be more accurate and could lead to incorrect decisions or unintended consequences.

Relying on this information could perpetuate existing biases and inequalities, such as prioritizing the safety of specific individuals over others based on their perceived vulnerability.

The decision to factor should consider the potential benefits and risks and an ethical framework that prioritizes safety while considering the rights and dignity of individuals.

lambda functions to calculate profit, we created the following lambda() function: lambda(volume, price, cost, volume * price - volume * cost)(d2, e2, f2) what does the (d2, e2, f2) syntax, in the second pair of brackets, do in our function?

Answers

They represent the arguments passed when the lambda function is called.

The variables d2, e2, and f2 are variables or values that will be substituted for the parameters volume, price, and cost, respectively, when the lambda function is executed. By doing this , we are passing specific values for the volume, price and cost.

Therefore, (d2, e2, f2) syntax in the second pair of brackets represents the arguments that are passed to the lambda function when it is called.

Learn more on functions : https://brainly.com/question/15728222

#SPJ4

Finish the format string to get the output shown below. '12.988'
'{:__}' .format(12.987654)

Answers

In order to get the above result or output, the following format string may be used '{:.3f}'

What is a format string?

It should be noted that a format string is a template that explains how a value should be structured when printed or shown.

It is used to change the appearance of the output, such as the number of decimal places displayed, text alignment, or field width.

Format strings are helpful because they allow you to tailor how values are displayed to the user, making the output more readable and understandable. A format string can be used to ensure that a number always has two decimal places, or to align a table column of text.

Formatted string literals (also known as f-strings) allow you to incorporate the value of Python expressions within a string by prefixing the string with f or F and writing expressions as expressions.

Learn more about Format String:
https://brainly.com/question/20461907
#SPJ1

can someone help me with this trace table - its computer science

can someone help me with this trace table - its computer science

Answers

TThe while loop keeps going until count is greater than or equal to 10.

count = 0, sum = 0

count = 2, sum =2

count = 4, sum = 6

count = 6, sum = 12

count = 8, sum = 20

count = 10, sum = 30

Now that count is equal to 10, it exits the while loop and the program ends. The values above complete your trace table.

What type of software can you run to help fix computer problems?

Answers

Answer:

IOBit Driver Booster.

Explanation:

First, you want to make sure your computer is entirely updated. You can go into your settings, to do so.

If this doesn't solve the problem, here are some other alternatives, they're free repair tools.

IOBit Drive Booster

FixWin 10

Ultimate Windows Tweaker 4

O&O ShutUp10

investigating security incidents within the microsoft windows environment (3e)

Answers

Investigating security incidents within the Microsoft Windows environment involves a thorough understanding of the Windows security model and its underlying technology. This knowledge includes understanding the components of Windows that provide security, such as the access control model, the event logging system, and the security log files.

To investigate a security incident in the Windows environment, one needs to identify the root cause of the issue by using various techniques like the examination of log files and events. Once the cause of the issue has been identified, the next step is to determine the extent of the damage done. In case of a breach, it is important to identify the affected systems and prevent further damage by isolating them from the rest of the network. Finally, the remediation process can begin, which includes removing the malware, patching vulnerabilities, and resetting compromised passwords.

Investigating security incidents in the Windows environment requires a comprehensive understanding of the security model and the technologies behind it. By following a systematic approach, security professionals can identify the root cause of an incident, contain it, and remediate the damage done.

To know more about malware visit:
https://brainly.com/question/29786858
#SPJ11

What happens when an auditory system and computing system are connected by abstraction?
A. They convert sound signals Into data that can be used to tell a device how to function.
B. They allow blological abstractions and computing systems to filter data.
C. They analyze data from both systems so only doctors can uno medical devices. D. They separate Input and output data from one another. ​

Answers

Answer:

It's A. They convert sound signals Into data that can be used to tell a device how to function.

Explanation:

the taskbar contains what

Answers

Answer:The taskbar is anchored to the bottom of the screen by default, but can be moved to any screen side, and contains the Start button, buttons for pinned and running applications, and a system tray area that contains notification icons and a clock.

Explanation:

When speed increases, what happen to the value of torque?

Answers

Answer:

Torque increases as rotational speed increase from idle to a certain figure and then falls as the rotational speed increase

Explanation:

given a /48 global routing prefix and a /64 prefix, what is the subnet portion of the following address: 2001:db8:cafe:1111:2222:3333:4444:5555

Answers

The subnet component of the address given is 1111, according to the provided statement.

What does "address" in a computer mean?

the code used to specify the location of a piece of data. alternatives: address, citation. types: parameter and argument. A link or value that also is supplied to a function, operation, subroutine, order, or program (in computer science).

A data address is what?

In order to enable or process data on such a decentralized or other computer system or database, a data address is a string of numbers and letters that can only be accessed with knowledge of or holding of a private key.

To know more about Address visit:

https://brainly.com/question/29506804

#SPJ4

The complete question is-

Given a /48 Global Routing Prefix and a /64 prefix, what is the subnet portion of the following address: 2001:db8:cafe:1111:2222:3333:4444:5555

A. Cafe

B. 1111

C. 2222

D. 3333

E. 4444


Keeping your operating system and applications up to date help you to:
fix bugs and address security updates
extend the life of your device's battery
store information about software updates
increase the memory size of your hard drive

Answers

Alright mate

Keeping your operating system and applications up to date is an important aspect of maintaining the security and performance of your device. There are several reasons why keeping your device up to date is important:

Fix bugs and address security updates: Software developers often release updates to fix bugs and address security vulnerabilities that have been discovered in their products. By installing these updates, you can ensure that your device is running smoothly and securely. For example, a security update may patch a vulnerability that could allow an attacker to gain unauthorized access to your device or steal sensitive information.

Extend the life of your device's battery: Updating your device can also help to extend the life of its battery. Newer software versions may include optimizations that reduce the power consumption of your device, which can help to prolong its battery life.

Store information about software updates: Updating your device also allows you to store information about the software updates you've installed. This information can be useful in case you need to troubleshoot an issue or revert to a previous version of the software.

Increase the memory size of your hard drive: Updating your device can also increase the memory size of your hard drive. This is especially true for operating systems, as they often get updates that improve the way they handle memory and disk usage.

It's also important to note that not all updates are created equal, some updates can be considered as "feature" updates that add new functionality to the system, while others are "security" updates that address discovered vulnerabilities.

In general, keeping your device up to date is an important step in maintaining its security and performance. By installing updates in a timely manner, you can help to ensure that your device remains secure and stable, and that you are able to take advantage of new features and improvements as they become available.

The three most important factors that affect the distribution of resources are:

Answers

Answer:

The main factors that affect distribution of population are natural resources, climatic conditions, soils, cultural factors, age of human settlement, industrial development and means of transport and communication. The factors affecting distribution of population are described below one by one in a nutshell manner.

Explanation:

Hope it helps :)

is it important to know the basic foot massage first before giving foot spa treatment? why?​

Answers

Answer:

Just like your neck, back, and shoulders, your feet can also benefit from a regular rubdown. Foot massage improves circulation, stimulates muscles, reduces tension, and often eases pain. It also gives you a chance to check out your feet so you can get a jump on treating blisters, bunions, corns, and toenail problems.A good foot spa session releases the tension formed around the tight muscles and tendons and allows blood to flow and circulate smoothly to your other bodily organs and brain. Sliding into liquid bliss allows knots to unknot and pain for to be gently soothed away.

Hope this helps, have a wonderful day/night, and stay safe!

True or False A safety data sheet (SDS) is a technical document or bulletin that summarizes the health and safety information available about a controlled product.

Answers

Answer:

True.

Explanation:

The Occupational Safety and Health Administration (OSHA) is a federal agency saddled with the responsibility of assuring and ensuring safe and healthy working conditions for employees by setting and enforcing standards, providing education, trainings and assistance to various organizations.

According to the Occupational Safety and Health Administration (OSHA), trainings on the adoption and application of safety precautions (tools) such as wearing a personal protective equipment e.g masks (respirators), ear plugs, safety boots, gloves, helmet, etc. are very important and are essentially to be used by employees (workers) while working in a hazard prone environment or industries. Therefore, all employers of labor are required to provide work tools and ensure that their employees properly use those tools, as well as abide by other safety precautions and standards highlighted in the safety data sheet.

A Safety Data Sheet (SDS) can be defined as a text-based document or bulletin that provides information with respect to the chemical and physical properties such as flammability, temperature, radioactivity, etc., of a substance or equipment. Also, it contains information on the potential health hazards and safety precautions for proper use (handling), storage and transportation of such substance or equipment.

Hence, a safety data sheet (SDS) is a technical document or bulletin that summarizes the health and safety information available about a controlled product such as toxic chemicals, radioactive elements, weapons or ammunition, etc.

Select the correct answer.
Raveena wants to make changes to a message she posted on an online discussion group. What action must she take?
O A. Delete the original message and post a new one.
ОВ. Delete the first post in the thread and type a new message.
Click a button labeled Edit to edit the message.
OC.
OD.
Enter new text in a box at the bottom of the discussion page.

Answers

Answer:

Click a button labeled edit to edit the message

Explanation:

suppose we use a hash function hto hash n distinct keys into an array t of length m. assuming simple uniform hashing, what is the expected number of collisions?

Answers

Each key is assigned an integer in the range [0, N-1] by a hash function, where N is the size of the bucket array for the hash table.

The key concept is to index into our bucket array, A, using the hash value, h(k), rather than the key k. (which is most likely inappropriate for use as a bucket array index). Although an array can be used to build hash tables, it uses numbers to index its items. However, we could wish to utilize dictionaries if we want to store data and use keys other than integers, like "string." Hash tables are used to implement dictionaries in Python.

Learn more about Hash here-

https://brainly.com/question/13106914

#SPJ4

. George wrote a blog about playing baseball using a password-protected site. On his blog, George described his little league team and their season. He gave detailed descriptions of the location of each game and the full names and photographs of all the players on the team, including himself.

Which of the following risky blogging behaviors did George engage in? Check all that apply. (2 points)
He used a password-protected site.
He gave detailed information about the location of his little league games.
He posted pictures of himself and his teammates online.
He wrote on the topic of baseball.

Answers

Answer:

2 and 3.

Explanation:

They are both giving private information. The first one is good, there is no security risk in a website being password protected, actually quite the opposite. And writing on the topic of baseball has nothing to do with him specifically and gives no personal information.

Data warehouses may include data that is purchased from outside sources.
True
False

Answers

True.Data warehouses may include data that is purchased from outside sources.

Data warehouses are designed to consolidate and store data from various internal and external sources to support business intelligence and analytical processes. While internal data sources include operational systems within an organization, external data sources can be acquired through data vendors or third-party providers.

By incorporating external data into a data warehouse, organizations can enrich their data sets with additional information that may be crucial for comprehensive analysis and decision-making. This external data could include market research data, demographic data, customer behavior data, or any other relevant information that is obtained through data purchase agreements.

The inclusion of purchased data from outside sources in a data warehouse allows organizations to gain a more holistic view of their business operations and the broader market landscape. It enables them to perform more accurate and comprehensive analysis, identify trends, make informed decisions, and derive valuable insights.

Learn more about Data warehouses

brainly.com/question/25885448

#SPJ11

Why do companies collect information about consumers? A. Because they want to meet new friends on social networks B. Because they take consumers' best interests to heart C. Because they want to effectively advertise to consumers D. Because they are looking for good employees to hire​

Answers

Answer:

C. Because they want to effectively advertise to consumers.

Explanation:

Companies collect info for more accurate advertisements, which are designed to make people interact with them more commonly.

What are digital computers? Where are they used?​

Answers

Digital computers are electronic devices that process information using binary digits (bits) in the form of zeros and ones.

How are they used?

They perform calculations, store and retrieve data, and execute instructions using digital logic circuits.

Digital computers are used in various fields and industries, including business, education, healthcare, entertainment, scientific research, and engineering.

They are employed for tasks such as data analysis, simulation, modeling, communication, automation, and controlling complex systems.

Learn more about digital computers at:

https://brainly.com/question/31462153

#SPJ1

Other Questions
what is nazism?why does Hitler support it Driving requires a high degree ofin the driving environment.a)b)c)distractioncarelessnessawareness A cat is in the top of a tree so you will save it you are standing 23 m away from the tree the angle of elevation to the cat is 54 how long does the ladder need to be fro you to get to get the cat? What did the Tokugawa regime do in 1612 in Japan? A chopstick model of a catapult launches a marshmallow in a classroom. The path of the marshmallow can be modeled by the quadratic y = 0.07x^2 + x + 2.2, where y represents the height of the marshmallow, in feet, and x represents the horizontal distance from the point it is launched, in feet.When the marshmallow hits the ground, what is its horizontal distance from the point where it was launched?16.22 feet1.94 feet7.14 feet2.2 feet Question 3 a) Explain the difference between an incremental and absolute encoder and write down their advantages and disadvantages.. (marks 4) Underlying assumptions about the nature of reality and human behavior are called _____. Is it possible for a producer to be on another level of enery pyramid besides the bottom? In 1980, the population of Indianapolis was 247,000. Every year after that, the population has decreased by 7. 5% as a result of heavypollution and job relocation. By 2030, will there be a population of people living in Indianapolis? If so, how many? If not, why not? Ano Pag kakasunod sunod ng tie-dye occasionally what should you do while working with a pivottable 2 1/5 x 2 2/3Help me someone Conroy Company purchased a machine at a cost of $90,000. The machine isexpected to have a $5,000 salvage value at the end of its 5-year useful life.Instructions:Compute annual depreciation for the first and second years using the(a) straight-line method.(b) double-declining-balance method. Carbon, hydrogen, and oxygen may combine with other elements to form large biomolecules. Which of these is not one of the four main types of biomolecules? OA. Nucleic acidsOB. Carbohydrates OC. Fat cells OD. Lipids Jenna Parker owns and manages her single member LLC (which she taxes as a sole proprietorship) that provides services to her clients (i.e., specified service business). Her LLC reports net income of $100,000 after all applicable deductions, W-2 wages of $30,000, and assets with an unadjusted basis of $100,000. She is unmarried without dependents, and receives qualified dividends of $50,000. Assuming Jenna's itemize deductions are $10,000, what is her QBI deduction for the current year? using the countifs() formula, count how many successful, failed, and canceled projects were created with goals within the ranges listed above. Which type of cell do you think this is? If Social Security Tax is 6.5% of one's incomeand they paid $1,578.52 this past year asshown on their W-2, how much did theymake?ANSWER QUICK define an earthquake How many total atoms are in one molecule of maltose?