I have a large excel file with data in it. I converted it to a 'csv' format.
I imported this dataset to R using the follownig command
mldata <- read.csv("c:\\temp\\mldata.csv", header=T)
 
all the column names and the rows seems to be correct.
 
Now that I have this object, I need to perfrom hclust. I used the following 
hc <- hclust(dist(mldata), method="single") 
 
I get the following error
 
> hc <- hclust(dist(mldata),"ave")
Error: cannot allocate vector of size 622668 Kb
In addition: Warning messages: 
1: NAs introduced by coercion 
2: Reached total allocation of 479Mb: see help(memory.size) 

Can anyone please point where I'm going wrong ?
 
Thank you,
Ramya


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