Choose the Appropriate Statistical Analysis Method

 

Number of Dependent
Variables
Nature of Independent
Variables
Nature of Dependent
Variable(s)
Test(s)Do it in SAS
Do it in R
10 IVs
(1 Population)
Interval & NormalOne-sample t-TestSASR
Ordinal or Interval
(Non-Normal)
One-sample Median TestSASR
DichotomousBinomial Test SASR
NominalChi-Square Goodness-of-FitSASR
1 IV with 2 Levels
(Independent Groups)
Interval & NormalTwo Independent Sample t-Test SASR
Ordinal or Interval
(Non-Normal)
Wilcoxon-Mann-Whitney TestSASR
NominalChi-Square TestSASR
Fisher’s Exact TestSASR
1 IV with 2 or more Levels (Independent Groups)Interval & NormalOne-way ANOVASASR
Ordinal or Interval
(Non-Normal)
Kruskal Wallis
NominalChi-Square TestSASR
1 IV with 2 Levels
(Dependent/Matched Groups)
Interval & NormalPaired t-TestSASR
Ordinal or Interval
(Non-Normal)
Wilcoxon Signed Ranks TestSASR
NominalMcNemar TestSASR
1 IV with 2 or more Levels
(Dependent/Matched Groups)
Interval & NormalOne-way Repeated Measures ANOVA
Ordinal or Interval
(Non-Normal)
Friedman TestR
NominalRepeated Measures Logistic Regression
2 or more IVs
(Independent Groups)
Interval & NormalFactorial ANOVA
Ordinal or Interval
(Non-Normal)
Ordered Logistic Regression
NominalFactorial
Logistic Regression
1 Interval IVInterval & NormalCorrelationSASR
Simple Linear RegressionSASR
Ordinal or Interval
(Non-Normal)
Non-parametric CorrelationSAS R
NominalSimple Logistic RegressionSASR
1 or more Interval IVs and/or
1 or more Nominal IVs
Interval & NormalMultiple Linear RegressionSASR
Analysis of CovarianceSASR
NominalMultiple Logistic RegressionSASR
Discriminant Analysis
2 or more0Interval & NormalFactor Analysis
1 IV with 2 or more Levels
(Independent Groups)
Interval & NormalOne-way MANOVA
2 or moreInterval & NormalMultivariate Multiple Linear Regression
2 sets of
2 or more
0Interval & NormalCanonical Correlation

 

 

Reference:

Introduction to SAS. UCLA: Statistical Consulting Group.
from http://www.ats.ucla.edu/stat/sas/notes2/ (accessed November 24, 2007).

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