The _____________ algorithm is a classification scheme that attempts to find records in a database that are similar to one we wish to classify. A) k Nearest Neighbors B) discriminant analysis C) linear regression D) logistic regression

Answers

Answer 1

The a) k Nearest Neighbor algorithm is a classification scheme that attempts to find records in a database that are similar to one we wish to classify.

It is a classification scheme that utilizes the distance metrics to determine the similarity between different records in the database. The k-NN algorithm is based on the principle that records that are close to each other in the feature space are likely to belong to the same class. To classify an unknown record, the algorithm identifies the k-nearest neighbors of that record based on the distance metrics, and the majority class of these neighbors is assigned to the unknown record.

The k-NN algorithm is widely used in various fields such as pattern recognition, data mining, and image processing, among others. Overall, the k-NN algorithm is a powerful tool for classifying records in a database by finding similar records and assigning them to relevant classes.

Therefore, the correct answer is a) k Nearest Neighbors

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Related Questions

Which of the following is a lossless compression algorithm?A. PNGB. Run-length encodingC. Compression artifactD. MP4

Answers

Answer:

B. (Run-length encoding)

Explanation:

Run-length encoding compresses data by reducing repeating data. For example, in a text file, if there are 20 instances of the word "is", the program will store the value 20, as well as all the positions where it appears. The file can be fully reconstructed using this stored data when required, so no data is lost.

Both PNG and MP4 are lossy compression formats that reduce file sizes by irretrievably removing some part of the file, and Compression artifacts are noticeable distortions in a file caused by lossy compressions. So A, C, and D are not correct options.

Hope this helps!

I cant get this for the life of me, I dont understand what im doing wrong, help?
def main():

numGuesses = 0
userGuess = 15
secretNum = 5

name = input("Hello! What is your name?")


userGuess = print ("Guess a number between 1 and 20:")

numGuesses = numGuesses + 1

if (userGuess < secretNum):
print("You guessed " + str(userGuess) + ". Too low.")

if (userGuess > secretNum):
print("You guessed " + str(userGuess) + ". Too high.")

if (userGuess = secretNum):
print9"Congrats! you are correct.")
main()

Answers

Answer:

what problems are you facing with this code?

Answer:

Your print statement has a 9 on it.

PLEASE HELP ASAP!!! Prompt
What is the Bcc address field for?

Answers

Answer:

For security and privacy reasons, it is best to use the Blind Carbon Copy (BCC) feature when sending an email message to a large number of people. When you place email addresses in the BCC field of a message, those addresses are invisible to the recipients of the email.

Explanation:

What is logical operator in a basic? Mention its types and explain one of them with its truth table?






Answer this for 20 points pls ​

Answers

Answer:

This indicates an or operation in a logical expression.

Types: And, or and not.

It’s and, or , not logic gates.

19. Explain the difference between a hub and a switch. (5 pts)​

Answers

Answer:

A hub is a physical layer networking device which is used to connect multiple devices in a network. They are generally used to connect computers in a LAN. A hub has many ports in it. A computer which intends to be connected to the network is plugged in to one of these ports.

A network switch is networking hardware that connects devices on a computer network by using packet switching to receive and forward data to the destination device.

Which of the following code displays the area of a circle if the radius is positive? Question 4 options: if (radius <= 0) System.out.println(radius * radius * 3.14159); if (radius != 0) System.out.println(radius * radius * 3.14159); if (radius >= 0) System.out.println(radius * radius * 3.14159); if (radius > 0) System.out.println(radius * radius * 3.14159);

Answers

Answer:

(d) if (radius > 0) System.out.println(radius * radius * 3.14159);

Explanation:

Given

Code segment (a) to (d)

Required

Which is correct

Code segment (a): radius <=0

This means that radius is 0 or less, i.e. 0 or negative

Code segment (b): radius !=0

This means that radius is not equal to 0 i.e. it could be positive or negative but definitely not 0

Code segment (c): radius >=0

This means that radius is 0 or greater, i.e. 0 or positive

Code segment (d): radius >0

This means that radius is  greater than 0 i.e. positive

Hence, (d) is correct

Suppose that you want to send an mp3 file to a friend, but your friend’s isp limits the size of incoming message to 1 mb and the mp3 file is 4 mb. Is there a way to handle this situation by using rfc 5322 and mime?

Answers

Yes, you can transmit the MP3 file using RFC 5322 and MIME by dividing it into multiple pieces and sending each one separately as an attachment.

The MIME protocol permits the division of files into numerous pieces, which can then be reassembled on the recipient's end.

In this manner, the combined file will be the entire size while the size of each individual message will be within the ISP's limit.

The Internet standards RFCs 2045, 2046, 2047, 2048, and 2077 describe MIME. MIME types are used to enable the proper interpretation of files containing information stored in a broad range of formats when sent via e-mail and web servers.

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a true classical orchestra employs only groups of woodwind, brass, and percussion.
T/F

Answers

The statement given "a true classical orchestra employs only groups of woodwind, brass, and percussion" is false because a  true classical orchestra employs not only groups of woodwind, brass, and percussion, but also string instruments such as violins, violas, cellos, and double basses.

The string section is a fundamental component of a classical orchestra and is typically the largest section. It provides the foundation and richness of sound, while the woodwind, brass, and percussion sections add color, texture, and depth to the overall musical arrangement. The combination of these sections creates the diverse range of sounds and timbres characteristic of a classical orchestra.

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Which term means that you allow access to your document by the people or groups you choose?

Answers

Answer:

Editing document.


Select the correct text in the passage.
Which tasks fall under WBS?
Kevin's WBS for a project
Project manager Kevin has made a project plan for a software development project. Kevin calls a meeting with his team members to further discuss
project requirements. In the meeting they decide to break down deliverables into subdeliverables with detailed explanations. After listing the tasks and
milestones, the project team decides to enter the duration for each task. The entire list of tasks follows a logical sequence which aids in scheduling.
Reset
Next

Select the correct text in the passage.Which tasks fall under WBS?Kevin's WBS for a projectProject manager

Answers

Project Manager Kevin conducted a meeting with his team, focused on outlining the project requirements.

What does the gathering outline several duties that would require attention?

Breaking down deliverables into sub-deliverables, itemizing tasks and milestones, calculating the duration of each task, as well as sequencing them in a logical format for successful scheduling.

This methodology is referred to as Work Breakdown Structure (WBS); however, it fails to provide a concrete list of the tasks that accompany this structure.

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The SPC tool that does not have a fixed form is:A) control chartB) scatter diagramC) check sheetD) cause and effect diagram

Answers

A) Control Chart is not the SPC tool that does not have a fixed form. In fact, control charts have a fixed form that includes upper and lower control limits and a central line that represents the process mean.

The purpose of a control chart is to monitor a process over time and identify when the process is out of control or has shifted from its typical performance.The SPC tool that does not have a fixed form is D) Cause and Effect diagram, also known as a fishbone diagram or Ishikawa diagram. This tool is used to identify and analyze the potential causes of a problem or quality issue. The diagram takes the form of a fishbone, with the problem or issue at the head of the fish and the potential causes branching off as bones. The diagram does not have a fixed format, and the branches can be added or adjusted as needed based on the specific problem being analyzed. The cause and effect diagram is a useful tool for identifying and addressing the root causes of quality issues in a systematic way.

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What will happen when fragmentation occurs?

Answers

The fragments grow into mature, fully developed people that are clones of the original organism.

What is the fragmentation issue and why does it happen?When a process is loaded and unloaded from memory repeatedly, the free memory space becomes fragmented, which is an undesirable OS problem known as fragmentation. Because of their small size, the memory blocks cannot be assigned to the processes. Thus, the memory blocks are never utilised.Asexual reproduction or cloning in which an organism is divided into fragments occurs in multicellular or colonial organisms is called fragmentation. Each of these fragments grows into mature, fully formed individuals that are clones of the original organism.      

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Zachary wants to use File History to create regular backups of the data on his laptop. He is using File History for the first time and is unaware of this feature, so he approaches his friend, Leah, who has experience using this feature.Assuming that Leah has good knowledge of File History, which of the following is Leah most likely to tell Zachary?

Answers

Leah is most likely to tell Zachary that File History is a built-in backup feature in Windows that automatically saves copies of files in designated folders to an external storage device, providing a version history and easy restoration.

File History is a backup feature available in Windows operating systems. It allows users to automatically back up files in specific folders to an external storage device, such as an external hard drive or network location. By enabling File History, regular backups are created, capturing changes to files over time and maintaining a version history. This feature provides an added layer of protection against data loss or accidental file modifications. In case of file deletion or corruption, File History allows users to easily restore previous versions of files. Leah is likely to inform Zachary about these key functionalities and recommend configuring and using File History for regular backups.

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What is R0 used for?

Answers

R0, also known as the basic reproduction number, is used to measure the contagiousness or transmissibility of an infectious disease.

It is the average number of people that one infected person will transmit the disease to in a population that is completely susceptible to the disease. R0 is used by epidemiologists to predict the spread of an infectious disease and to determine what measures need to be taken to control or eliminate the disease. For example, if R0 is greater than 1, the disease will spread in a population, but if R0 is less than 1, the disease will eventually die out. Therefore, R0 is an important factor in public health decision-making and disease control.

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the issue of resource utilization shows up in different forms in different types of operating systems. list what resources must be managed carefully in the following settings: a. mainframe or minicomputer systems b. workstations connected to servers c. mobile computers

Answers

The  issue of resource utilization shows up in different forms in different types of operating systems. The resources must be managed carefully in the following settings:

a. Mainframes: memory and CPU resources, storage, network bandwidth

b. Workstations: memory and CPU resources

c. Handheld computers: power consumption, memory resource .

How do you calculate resource usage?

While there are many ways to calculate resource utilization, the most straightforward and popular approach is to divide the actual number of hours a resource works by the total number of hours the resource could have worked.

Therefore, The percentage of your available resources that are currently being used is known as resource utilization. To make sure your business is as productive as possible, it can help to plan how to use your resources more wisely.

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what term is used to describe the period of time when forensic procedures and computer crime legislation began to harmonize?

Answers

The term that is used to describe the period of time when forensic procedures and computer crime legislation running harmonize is called the structured phase. This phase finds evidence of crimes from each institution.

What are forensic procedures in cybercrime?

Digital forensics is a branch of forensic science that focuses on digital devices and cybercrime. Through a process of identifying, preserving, analyzing, and recording digital evidence, forensic investigators recover and investigate information to aid in criminal convictions. The process of solving a crime often involves the use of forensics.

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which of the following energy conversions occurs inside a battery?

Answers

Answer:

chemical energy is changed into electrical energy.

Explanation:

HERES A RIDDLE!!

What is more useful when it’s broken??

Answers

Answer:

an egg

Explanation:

AAA DRIVER'S ED has anyone done this before??? and they know the answer?? bc its not working

AAA DRIVER'S ED has anyone done this before??? and they know the answer?? bc its not working

Answers

The correct sequence for the driver's ED test is:

Check gaugeStart engineRelease keyCheck lightsLet engine idleCheck if gear is in parkCheck parking brakeFoot on brake pedal

What is a Driving Test?

This refers to the official test of how competent a driver is to ride on the highway and must be passed in order to get a driving license.

Hence, we can see that when taking a driver's test, you would be tested on your knowledge of starting a car, checking the gauges and parking brakes, and the correct sequence of doing it.

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Answer: Mine was not working either, it said it was wrong even though i did it correctly, here is the proper sequences:

Explanation:

AAA DRIVER'S ED has anyone done this before??? and they know the answer?? bc its not working

What are some options available on the Table Tools Design tab? Check all that apply.

applying themes
identifying formula errors
adding header or footer page numbers
selecting a printer
exporting and refreshing data
looking for duplicate data

Answers

Answer:

a,e,f

Explanation:

got it right on edge

true or false This html element puts the text in the centre of the webpage. "

Something really cool

"

Answers

Answer:

true.

Explanation:

i hope it help u

mark me as brainliest

2. Which of the following is ALWAYS true for BOTH while loops and if statements?

A. Code inside the body runs forever.

B. Make decisions about whether or not to run code.

C. Code inside the body runs multiple times.

D. Code inside the body runs only once.

E. Code inside the body never runs.

Answers

Answer:  c

Explanation: A while loop repeats a block of code an unknown number of times until a condition is no longer met. for loops, on the other hand, repeat a block of code a fixed number of times.

fill in the blank. ___ is the streamlining of production by eliminating steps in the production process that do not add benefits that customers are willing to pay for.

Answers

Lean Manufacturing is the streamlining of production by eliminating steps in the production process that do not add benefits that customers are willing to pay for.

What's lean Manufacturing?

Lean Manufacturing is a method that aims to optimize production efficiency by reducing waste and improving quality.

This approach involves eliminating non-value-added activities that do not contribute to the final product or service, such as overproduction, waiting time, defects, excess inventory, unnecessary processing, and unnecessary motion.

By eliminating these wastes, Lean Manufacturing can enhance customer value, increase productivity, reduce costs, and enhance overall profitability.

It involves continuous improvement through the application of lean principles and techniques, such as the 5S system, Kanban, Just-in-Time, and Total Productive Maintenance.

The goal of Lean Manufacturing is to create a lean culture that fosters continuous improvement, teamwork, and customer satisfaction.

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qbasic progarm To print the name of your school for five times.​

Answers

CLS
INPUT “School Name ”; n$
FOR p = 1 TO 5
print “your school name is ” ;n%

What is the force that resists the motion of an object through a fluid?

Answers

Answer:

Friction (drag)

Explanation:

The force resisting motion through a fluid is a type of friction, that is called drag.

Help me guys please.​

Help me guys please.

Answers

Answer:

1. a

2. i

3. e

4. b

5. d

6. h

7. g

8.c

9. j

10. f

Okie so I can see you at the

what are some scams you should avoid when looking for a credit counselor?

Answers

Before any credit counseling services are offered, the company requires money.

What exactly does a credit advisor do?

Organizations that provide credit counseling can help you with your finances and bills, assist you with creating a budget, and provide training on money management. Its Fair Debt Collection Act's specific provisions have been clarified by the CFPB's debt recovery rule (FDCPA)

How is a credit counselor compensated?

Non-profit organizations typically obtain some funding to cover their costs from two sources: clients who pay to use their debt payback program and clients' creditors who agree to cover those costs as part of the credit counseling organization's negotiated agreements with creditors.

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What data type is this statement defined as in Python?
testAvg = 0.00;

A. integer
B. string
C. float
D. real

Answers

String because in python a succession of Unicode characters is called a string. Unicode was created to encompass all characters in all languages and bring encoding standardization.

What is python?

Python is a programming language for creating websites and software, as well as automating processes and conducting data analysis.

Python is a general-purpose programming language, which means it can be used to develop a wide range of applications and isn't tailored to any particular problem.

Thus, option B is correct.

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this text command defines how text will appear

Answers

In programming, the text command is not a specific command, but rather a term used to refer to a wide range of commands and functions that manipulate or display text.

What is a text command?

Text commands may include functions for formatting, searching, replacing, and displaying text within a program or on a screen. These commands may be used in a variety of programming languages, including C, as you mentioned.

In C, for example, there are many standard library functions that can be used to work with text. Some of the most commonly used functions for working with text in C include:

printf(): used to display formatted text on the screen or in a file

scanf(): used to read formatted text from the keyboard or a file

strcpy(): used to copy one string of text to another

strcmp(): used to compare two strings of text to determine if they are equal

strlen(): used to determine the length of a string of text

Overall, text commands are a crucial part of programming and are used extensively in applications that involve working with text data.

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All of the following statements are true of the Bronze Age and metallurgy, EXCEPT which one?A. The technology of bronze-casting was practiced in East Asia, and then spread from China to the rest of the ancient worldB. Because bronze is created from copper and tin, which are often located far apart, travel and trade were essential to Bronze Age culturesC. By using metal instead of bone or stone, harder and more efficient tools and weapons could be createdD. Metallurgy represented a landmark change in technology that marked the birth of civilization

Answers

East Asia was the birthplace of bronze casting, which later expanded from China to the rest of the ancient world.

Which of the following prehistoric societies developed the first bronze technology, the first wheels, and the first written records?

The numerous inventions the Sumerians produced are among their greatest contributions to civilization. They also created the first wheeled vehicles, a system of numbers, the first form of writing, sun-dried bricks, and irrigation for cultivation.

Who among the following thinkers is best recognised for having said that ratios in mathematics governed music?

Greek philosopher Pythagoras made significant contributions to mathematics, astronomy, and music theory. The Babylonians were aware of Pythagoras's Theorem 1000 years ago.

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Which choice best illustrates the use of consonance? A. the potential of permanent peace and prosperity B. and stay for days away from her but say her name C. trying to confide in the night but rather dying inside D. a request for the lost list, mostly forgotten, found at las Puritans fled their homeland to seek religious freedom. Once in the Massachusetts Bay Colony, how did they treat others who wanted to practice Christianity in a different way?1. People with other religious beliefs were welcomed by colony leaders but shunned by everyone else.2. People with other religious beliefs were tried in court and executed if they did not repent.3. People with other religious beliefs were encouraged to combine their practices with Puritan faith customs.4. People with other religious beliefs were not tolerated in the Massachusetts Bay Colony; they were forced to leave. The crew member in charge of recording clear audio on the set, typically focusing on the voice of the actors is the Suppose you participate in a chess tournament in which you play n games. Since you are an average player, each game is equally likely to be a win, a loss, or a tie. You collect 2 points for each win, 1 point for each tie, and 0 points for each loss. The outcome of each game is independent of the outcome of every other game. Let X; be the number of points you earn for game i and let Y equal the total number of points earned over the n games. (Hint: Xi is an iid random variable.) (a) Find the range Sxi and PMF Pxi(x) of X. (2) (b) Write Y as a function of X; and Find E[X], E[Y], Var[X] and Var[Y]. (6) (c) Find the MGF Oxi(s) and (s). (2) (d) Use the Central Limit Theorem (CLT) to estimate the probability that you have lost less than half of the 100 games you have participated. (3) The last three equally significant years' worth of rates of return for stocks A and B are Year 1 2 3 10% -5% 25%B 5% -2% 15% Betty and Bob invest equal amounts of money and A and B. a. Find the Expected Values of A and B. A =___ ; B = ___ b. Find the Standard Deviation of A and B. A = ___ B = ___ c. Find the Covariance of A and B. d. Find the reward, the Expected value of the portfolio of A and B.e. Find the risk, the Standard Deviation of the portfolio of A and B. f. Find the Sharpe Ratio. Your final answers should be correct to 3 places after the decimal point. Find the volume of the solid that lies under the hyperbolic paraboloidz = 3y^2 x^2 + 5and above the rectangleR = [1, 1] [1, 2].Find the average value of f over the given rectangle.f(x, y) = 2x^2y, R has vertices (4, 0), (4, 5), (4, 5), (4, 0). don julios supervisor gave him an oral warning for drinking on the job The L.C.M of 4 and 6 is what? Please help! Correct answer only please! I need to finish this assignment by today.Out of the people who have already taken their seats at a seminar, 3 people have blond hair while 6 people do not. What is the experimental probability that the next person to take a seat will have blond hair?Simplify your answer and write it as a fraction or whole number.P(blond) = DUE IN ONE MINUET HELP TwTHow many moles of NaOH would produce 10 moles of water in this reaction?2NaOH + H2SO4 Na2SO4 + 2H20O A. 10O B. 1O C. 4O D. 20 Health and Lifestyle Issue Effects on Health explain what it means to "think historically" Write a short summary about In Response to Executive Order 9066: All Americans of Japanese Descent Must Report to Relocation Centers by Dwight Okita Explain the relationship between prejudice and discrimination? What are some ways to combat both prejudice anddiscrimination? Identify and provide an example of two of the following intergroup relationships: assimilation, segregation,pluralism, expulsion, amalgamation, or genocide. Which system of units is used by only a small number of countries in theworld, including the U.S.? A business that will comply with the letter of the law but no more than that is a(n) ______ business.A. Amoral.B. Legalistic.C. Responsive.D. Ethical. Bowman's capsule and the glomerulus make up the _____.(a) renal pyramid(b) loop of Henle(c) renal corpuscle(d) renal papilla(e) collecting tubule system. What change would increase the rate of oxygen diffusing from lung alveoli into the blood? Le futur simpleNEED IT ASAP Write the sum using summation notation. There may be multiple representations. Use i as the index ofsummation.1/3 - 1/9 + 1/27 - 1/81 + 1/243 - 1/729