On Thu, 11 Mar 2004, Ko-Kang Kevin Wang wrote:
> Hi,
>
> - Original Message -
> From: "Mike Campana" <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Thursday, March 11, 2004 12:20 PM
> Subject: [R] failure in simple calculation!!
>
Hi,
- Original Message -
From: "Mike Campana" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, March 11, 2004 12:20 PM
Subject: [R] failure in simple calculation!!
> Hello
>
> I have a dataframe, at least I think I created it by using:
&
Hello
I have a dataframe, at least I think I created it by using:
DELTA <- as.data.frame(DELTA)
The dataframe has 2 columns made of numbers("data" and "delta")
If I use DELTA$delta + 12
I get a sequence of NA Warning message:
"+" not meaningful for factors in: Ops.factor(DELTA$deltatemp, 12)
