see between this columns ans the others
is that it contains NA values.
Thanks again,
Francisco Torreira
Original message
Date: Sun, 14 Aug 2005 10:11:15 +0100
From: Patrick Burns [EMAIL PROTECTED]
Subject: Re: [R] Problem with numeric variable
To: [EMAIL PROTECTED]
I think
: Patrick Burns [EMAIL PROTECTED]
Subject: Re: [R] Problem with numeric variable
To: [EMAIL PROTECTED]
I think your problem is that you have a factor rather
than a numeric vector (even though you say you checked
with 'is.numeric'). Missing values should be represented
by 'NA
Hello all,
I posted a question some days ago without getting any answers,
perhaps, as one of you kindly pointed out, because the
question was not clearly stated. Let me reformulate it:
In a frame, a column named C2 represents a numeric variable
(checked with is.numeric(C2)). Some rows in the
