[R] Storing data from a test as a vector or matrix

wwreith reith_william at bah.com
Wed May 4 15:55:07 CEST 2011


I just finished a MANOVA test and got the following output:

> summary(M, test="Pillai")
                Df Pillai approx F num Df den Df    Pr(>F)    
as.factor(X)   3 1.1922   6.5948     36    360 < 2.2e-16 ***
Residuals      129                                            
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1 


I would like to store the values Df=3, Pillai=1.1922, P-value, etc. as a
vector. 

I have tried the following code that did not work:

> S=summary(M, test="Pillai")
>S1<-as.vector(S$Df, S$Pillai)

but I am getting an error every time. I have also tried just S$Df. Is there
a way to find out if "Df" and "Pillai" are correct headers to reference. For
example maybe it is "df" or "degreesfreedom" etc.

I know the concept works because I have used it for logistic regression.

 >v1 <- as.vector(exp(L1$coefficients))

The difference is that I know "coefficients" is the correct header to refer
to. 

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