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Hatshy [7]
2 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]2 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.

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First, read in an input value for variable valCount. Then, read valCount integers from input and output each integer on a newlin
ratelena [41]

Answer:

The program in Python is as follows:

valCount = int(input())

reports = []

for i in range(valCount):

   num = int(input())

   reports.append(num)

   

for i in reports:

   print(i,"reports.")

Explanation:

This gets input for valCount

valCount = int(input())

This creates an empty list

reports = []

This gets valCount integer from the user

<em>for i in range(valCount):</em>

<em>    num = int(input())</em>

<em>Each input is appended to the report list</em>

<em>    reports.append(num)</em>

This iterates through the report list

for i in reports:

This prints each element of the report list followed by "reports."

   print(i,"reports.")

4 0
2 years ago
How do I open the Excel workbook "Revenue.xls" from the default directory?
Kobotan [32]
<span>Follow the following steps to open "Revenue.xls":

Step 1:
Open Microsoft Excel.

Step 2:
Click on the "File" button (at top left).

Step 3:
When you click on the File button, the list will pop up which will contain the option "Open."
Click "Open".

Step 4:
Now select the "Revenue.xls" file and open it!

That's it! :)</span>
4 0
1 year ago
Interactive sites where users write about personal topics and comment to a threaded discussion are called 
Sedaia [141]

The answer to your question is A. blogs

3 0
2 years ago
A cashier distributes change using the maximum number of five dollar bills, followed by one dollar bills. For example, 19 yields
posledela

Answer:

The correct program to this question as follows:

Program:

//header file

#include <stdio.h> //include header file for using basic function

int main() //defining main method

{

int amountToChange=19,numFives,numOnes; //defining variable

numFives = amountToChange/5; //holding Quotient  

numOnes = amountToChange%5; //holding Remainder

printf("numFives: %d\n", numFives); //print value

printf("numOnes: %d\n", numOnes); //print value

return 0;

}

Output:

numFives: 3  

numOnes: 4  

Explanation:

In the above program first, a header file is included then the main method is declared inside the main method three integer variable is defined that are "amountToChange, numFives, and numOnes", in which amountToChange variable a value that is "19" is assigned.

  • Then we use the numFives and the numOnes variable that is used to calculate the number of 5 and 1 , that is available in the amountToChange variable.
  • To check this condition we use (/ and %) operators the / operator is used to hold Quotient value and the % is used to hold Remainder values and after calculation prints its value.

6 0
2 years ago
An attack in which the attacker attempts to impersonate the user by using his or her session token is known as:
svetoff [14.1K]

Answer:

Session hijacking

Explanation:

Session hijacking : Session hijacking is an attack where a user session is taken over by an attacker. A session starts when you log into a service, for example your banking application, and ends when you log out.

5 0
1 year ago
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