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Hatshy [7]
3 years ago
10

A student who used a regression model that included indicator variables was upset when receiving only the following output on th

e multiple regression printout: X TRANSPOSE X SINGULAR. What is a likely source of the difficulty
Computers and Technology
1 answer:
jeka57 [31]3 years ago
4 0

Answer:

This is a multicolinearity problem and the student should determine the variable(s) that cause(s) the problem and remove it.

Explanation:

This information means that there exists a linear combination between the independent variables. The problem might have developed due to multicolinearity producing almost perfectly linearly dependent columns.

This could also be as a results of single matrix created when the student use an incorrect indicator variables and included an additional indicator column which created linearly dependent columns.

You might be interested in
Write a C function named apply_all that expects two arrays of integers and their sizes and dynamically allocates a new array of
andrew-mc [135]

Answer:

The function C is as follows:

int *apply_all(int arr1[], int arr2[], int size) {

  int result[size];

  for(int i =0; i<size;i++){

      result[i] = arr1[i] * arr2[i];

      printf(" %d", result[i]);

  }

  return result;

}

Explanation:

This line defines the function

int *apply_all(int arr1[], int arr2[], int size) {

This declares an array that holds the result of the function

  int result[size];

This iterates through the array

  for(int i =0; i<size;i++){

This multiplies the corresponding elements of both arrays

      result[i] = arr1[i] * arr2[i];

This prints the result of the multiplication

      printf(" %d", result[i]);

  }

This return the a pointer to the new array

  return result;

}

<em>See attachment for complete program that includes the main</em>

Download cpp
5 0
2 years ago
For a project called "The Sheep Market", Aaron Koblin collected drawings of sheep from strangers on the Internet. He posted the
Furkat [3]

Answer:

Aaron could expect a diversity in the style of the sheep drawings.

Explanation:

Crowdsourcing is a simply a sourcing model in which an individual or organizations get goods and services, ideas and finances, from a large, relatively open and often rapidly growing group of internet users.

It makes it easier for participants to achieve a cumulative result through working differently on the same project. That is to say, it provides work between participants to achieve a cumulative result.

Its benefits is that, Crowdsourcing allows businesses to perform tasks more quickly than when a single employee is working alone. Again, Breaking up a project into a collection of smaller pieces and providing these pieces to a larger group of workers hastens the completion of projects. Overall, crowdsourcing presents a more efficient way to do work.

From the Question, Aaron was able to get different pictures of sheep in their numbers also because he used crowsourcing on amazon.

He got a variety of pictures and so many in such a short time for his project "The Sheep Market".

6 0
3 years ago
What happens if you give false information on your driver license application?
Artist 52 [7]

Answer:

<em>Cancelled</em>

Explanation:

Providing false information on your driver license application will result in your license being cancelled.

Giving the DMV any false info is considered a crime.

Hope this helped!

6 0
2 years ago
Computer C’s performance is 4 times as fast as the performance of computer B, which runs a given application in 28 seconds. How
slamgirl [31]

Answer:

112

Explanation:

Since computer C's performance is 4 times faster, naturally I'd multiply 28 by 4.

6 0
3 years ago
The IT department has rejected the password you submitted for approval to join the network. Your suggestion was "bobbie." Why di
vodomira [7]

4. Although all of them could be true, this one is most acurate :)

8 0
2 years ago
Read 2 more answers
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