[R] read.table and factors

David Winsemius dwinsemius at comcast.net
Wed Dec 8 21:01:57 CET 2010


On Dec 8, 2010, at 2:40 PM, Erin Hodgess wrote:

> Dear R People:
>
> Suppose I have the following in a file:
>
> 1 1.171504 1.010070
> 2 -0.9317064 1.860900
> 3 -0.06522837 0.6561147
> 4 -1.817026 0.02619137
> 5 1.426983 0.5995691
> 6 -0.2844911 1.155561
> 7 -0.6920972 0.7633124
> 8 0.3129615 5.121108
>
> I want to use read.table to bring it in and I want the first column to
> be a factor.  Is there a way to set up read.table such that the first
> column is a factor and the others are numeric, please?

?read.table  # the colClasses argument

-- 
David Winsemius, MD
West Hartford, CT



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