Hi R,

 

I have an excel file in which the third column is "date" and others are
"character" and "numeric".

Number of columns are 12

 

If I use this to read the file in R:   x = read.xls("D:\\file.xls")

 

The problem is that my date column is read in julian dates.

 

So I am using:                           x = read.xls("D:\\file.xls",
colClasses= c(rep("character",2),"isodate",rep("character",9)))

 

But what can I do in case I don't know the number of columns in my
file??

 

I mean is there any way I can specify the colClass of only third column
and for other columns it can take the default classes??

            

 

Regards

Utkarsh

 

 

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