It looks like you have missing observations. With the "use" argument, you can specify complete observations or pairwise-complete observations.
Hope this helps, Matt Wiener -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Jessica Higgs Sent: Monday, February 07, 2005 12:54 PM To: Spencer Graves; R-help@stat.math.ethz.ch Subject: Re: [R] Creating a correlation Matrix I've tried using cor() by the following sequence: C <- cor(x, y = NULL, use = "all.obs", method = c("pearson")) where x is my matrix of 21 columns and 3471 rows. and I get this error: Error in cor(x, y = NULL, use = "all.obs", method = c("pearson")) : missing observations in cov/cor any suggestions? At 08:32 AM 2/7/2005 -0800, Spencer Graves wrote: > Have you considered "cor"? The command 'help.search("correlation")' > suggests among other functions "var(stats)", the documentation for which > also includes "cor". > If this is not adequate, "PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html ". It may help you get more > useful replies in the future. spencer graves > >Jessica Higgs wrote: > >>Hi all: >> >>I have a question on how to go about creating a correlation matrix. I >>have a huge amount of data....21 variables for 3471 times. I want to see >>how each of the variables correlate to each other. Any help would be >>appreciated, including which package and which functions I should use to >>do this. >> >>Thanks, >>Jessica Higgs >> >>Masters Student >>Department of Meteorology >>Penn State University >> >>______________________________________________ >>R-help@stat.math.ethz.ch mailing list >>https://stat.ethz.ch/mailman/listinfo/r-help >>PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html > > ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html