[R] calculating p-values from t-values for a Bonferroni adjustment

NativeBuff2003 NativeBuff2003 at yahoo.com
Tue Jul 28 01:01:59 CEST 2009


I am performing a sequential bonferroni adjustment on the results of an
ANCOVA but the equation I have for calculating p-values from the t-values is
not working.  I can't seem to find it anywhere else. This is the code I have
now: 2*(1-pt(t,df)) where t=t-value and df=degrees of freedom from the
ANCOVA. Is there an error in the code? maybe another way to find the
p-values? Help!
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