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70.00000
2012 Nov 23
6
Summary statistics for matrix columns
Hi,
is there a way I can calculate a summary statistics for a columns matrix
let say we have this matrix
x <- matrix(sample(1:8000),nrow=100)
colnames(x)<- paste("Col",1:ncol(x),sep="")
if I used summary
summary(x)
i get the output for each column but I need the output to be in matrix with
rownames and all the columns beside it
this how I want it
2005 Oct 19
2
Automatic rounding of values after factors , converted to numeric, are multipled by a real number
I am wondering if someone would have any suggestion about my issue?
I have the following code:
wgts<-aggregate(subset(lendata,select=c(Length)),list(lendata$Cruise,len
data$Station,lendata$Region,lendata$Total),mean)
wgts<-wgts[order(wgts$Group.3,wgts$Group.1,wgts$Group.1),]
names(wgts)<-c("Cruise","Station","Region","Total","MLen")