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2011 Sep 05
1
Dealing with NA's in a data matrix
...data, and the code that I am using so far, if you run it, you'll see the error pop up.... please help me to get around this problem. Thanks in advance. Location Dist. Size low1 .5 10.5 low2 .5 23 low3 .5 NA low4 .5 NA mid1 3 15 mid2 3 11.5 mid3 3 15 mid4 3 NA high1 6 12.5 high2 6 20 high3 6 21 high4 6 22 wall1 10 13 wall2 10 12.5 wall3 10 13 wall4 10 12 d<-read.table("dilomaaethiops.txt",header=T) d str(d) range(d$Dist.) s<-d$Size range(s) s[s<.1]<-NA range(s,na.rm=T) summary(d) length(s) length(d$Dist.) plot(s~d$Dist.,xlab="Distance from Shoreline (m)",ylab=&q...