How to identify straight liners

[Niks]

I have an SPSS dataset with 5 variables:
Q1_r1
Q1_r2
Q1_r3
Q1_r4
Q1_r5

These 5 variables have values ranging from 1 to 5(Where 1 means Strongly disagree and 5 means Strongly Agree). I want to identify straight liners like those cases for which there is 1 or 2 or 3 or 4 or 5 in all 5 variables. How would I do that?

[progster]

I guess you should check the "count" synthax command

cheers

[PRogman]

Will this work?

COMPUTE StraightLiner=(SD(Q1_r1 TO Q1_r5) EQ 0) .
VALUE LABELS StraightLiner 0 'No'  1 'Yes' .
EXECUTE .

HTH,
PR

[Jignesh Sutar]

You would check if the standard deviation across the variables of interest equals zero i.e.

compute CheckQ1SD=sd(Q1_r1 to Q1_r5).

You may want to check for any missings before hand also. You could also define "straight liners" below a certain standard deviation criteria also, if not simply zero. 

On 22 April 2015 at 10:26, Niks <[hidden email]> wrote:

I have an SPSS dataset with 5 variables:
Q1_r1
Q1_r2
Q1_r3
Q1_r4
Q1_r5

These 5 variables have values ranging from 1 to 5(Where 1 means Strongly
disagree and 5 means Strongly Agree). I want to identify straight liners
like those cases for which there is 1 or 2 or 3 or 4 or 5 in all 5
variables. How would I do that?







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[Bruce Weaver]

As Jignesh mentioned, it's not clear what you want to do with missing data.  If you want to include only cases with complete data for all 5 variables, change SD to SD.5 in PRogman's solution.

COMPUTE StraightLiner=(SD.5(Q1_r1 TO Q1_r5) EQ 0) .
VALUE LABELS StraightLiner 0 'No'  1 'Yes' .
EXECUTE .

From the FM:

"The .n suffix can be used with all statistical functions to specify the number of valid arguments. For example, MEAN.2(A,B,C,D) returns the mean of the valid values for variables A, B, C, and D only if at least two of the variables have valid values. The default for n is 2 for SD, VARIANCE, and CFVAR and 1 for other statistical functions. If the number specified exceeds the number of arguments in the function, the result is system-missing."

Niks wrote

I have an SPSS dataset with 5 variables:
Q1_r1
Q1_r2
Q1_r3
Q1_r4
Q1_r5

These 5 variables have values ranging from 1 to 5(Where 1 means Strongly disagree and 5 means Strongly Agree). I want to identify straight liners like those cases for which there is 1 or 2 or 3 or 4 or 5 in all 5 variables. How would I do that?

[John F Hall]

Sounds like a class assignment:

 

First line only: do it yourself!

                                              

File >> new >> syntax

 

Count    ones = Q1_r1 to Q1_r5 (1)

               /twos =

               ~~

               /fives =

              

freq ones to fives.

 

The ones you want are the values 5 in all five vars.  A nice check would be with MULT RESPONSE

 

John F Hall (Mr)

[Retired academic survey researcher]

 

Email:   [hidden email] 

Website: www.surveyresearch.weebly.com

SPSS start page:  www.surveyresearch.weebly.com/1-survey-analysis-workshop

 

 

 

 

-----Original Message-----
From: SPSSX(r) Discussion [mailto:[hidden email]] On Behalf Of Niks
Sent: 22 April 2015 11:26
To: [hidden email]
Subject: How to identify straight liners

 

I have an SPSS dataset with 5 variables:

Q1_r1

Q1_r2

Q1_r3

Q1_r4

Q1_r5

 

These 5 variables have values ranging from 1 to 5(Where 1 means Strongly disagree and 5 means Strongly Agree). I want to identify straight liners like those cases for which there is 1 or 2 or 3 or 4 or 5 in all 5 variables. How would I do that?

 

 

 

 

 

 

 

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[sagarpawar]

This works