Curious about K-S test in NPTESTS

Posted by Beckstead, Jason on Dec 08, 2018; 9:21pm
URL: http://spssx-discussion.165.s1.nabble.com/Curious-about-K-S-test-in-NPTESTS-tp5737122.html

Hi all,

I am working to compare various sample distributions and thought that the Kolmogorov-Smirnov test in NPTESTS would be appropriate. However, it doesn’t reveal these two obviously different distributions as significant. Syntax is below. Any insight would be appreciated.

Jason

 

DATA LIST FREE/FORM X FREQ.

BEGIN DATA.

1 1  7

1 2 24

1 3 38

1 4 24

1 5  7

2 1 20

2 2 20

2 3 20

2 4 20

2 5 20

END DATA.

WEIGHT BY FREQ.

VARIABLE LEVEL X (SCALE).

*Nonparametric Tests: Independent Samples.

NPTESTS

  /INDEPENDENT TEST (X) GROUP (FORM) KOLMOGOROV_SMIRNOV

  /MISSING SCOPE=ANALYSIS USERMISSING=EXCLUDE

  /CRITERIA ALPHA=0.05  CILEVEL=95.

 

_____________________________________________________________

 Jason W. Beckstead, Ph.D.       

  Associate Professor/Quantitative Methodologist

  University of South Florida College of Public Health

  13201 Bruce B. Downs Blvd., MDC56, Tampa, FL 33612, USA

  Statistical Editor, International Journal of Nursing Studies

  phone: [phone]  fax: [phone]          

  personal website:  http://personal.health.usf.edu/jbeckste/

  International Journal of Nursing Studies  http://www.elsevier.com/ijns

 

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