NAs in "cor"? (was: Re: [R] (no subject))

"?cor" revealed that the "cor" function has an argument "use" with 
a default of "all.obs" and options of "complete.obs"' or 
'"pairwise.complete.obs".  Either of these other two should get you past 
this error message. 

      hope this helps.
      spencer graves
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"http://www.R-project.org/posting-guide.html" has helped people answer 
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Dear R
I'm trying to do a correlation matrix for some variables I have.
Unfortunately there are some NA entries for some of the variables 
I tried the following

cor(sleep[c("logbw", "logbrw", "SlowSleep", "ParaSleep", "loglife",
"loggest")])

but it told me
Error in cor(sleep[c("logbw", "logbrw", "SlowSleep", "ParaSleep", "loglife",
: 
       missing observations in cov/cor

How can I get R to conduct a correlation matrix for this data set??

brett

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