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...ot;) as.POSIXlt(paste(d,t)) } > t=make.date.time() > t [1] "2006-08-02 13:45:00" "2006-08-03 13:45:00" "2006-08-04 13:45:00" [4] "2006-08-05 13:45:00" > length(t) [1] 9 > t[1] [1] "2006-08-02 13:45:00" > length(t[1]) [1] 9 -- blog.sethroberts.net www.shangriladiet.com boards.shangriladiet.com cell phone 510 418 7753 (Berkeley) [[alternative HTML version deleted]]

...message: prncmp> ## The variances of the variables in the prncmp> ## USArrests data vary by orders of magnitude, so scaling is appropriate prncmp> (pc.cr <- princomp(USArrests)) # inappropriate Error in cov.wt(z) : 'x' must contain finite values only Seth Roberts -- blog.sethroberts.net www.shangriladiet.com boards.shangriladiet.com skype twoutopias fax 267 222 4105 510 418 7753 (Berkeley) 1 368 117 0784 (Beijing) [[alternative HTML version deleted]]