hi dieter,
the method i'm using is in excel, copying the data, then in r
> w<-read.delim("clipboard")
> w<-as.data.frame(w)
i've been doing a bit more fiddling, and have identified the 'class' of the
column that i'm having trouble with, is classified as 'factor' whilst the
rest are numeric.
if i just change that column to as.numeric of the column, this has appeared
to have solved the problem. Has this changed that data at all though?
Thanks.
Dieter Menne wrote:
>
>
>
> Katie2009 wrote:
>>
>> I'm trying to analyse some excel data in R. The problem is that when i
>> input the data with the first column as absolute values, everything works
>> fine, can analyse as normal. When I leave the first column unchanged to
>> import negative numbers as well I get:
>>
>> Error in storage.mode(y) <- "double" :
>> invalid to change the storage mode of a factor
>> In addition: Warning message:
>> In model.response(mf, "numeric") :
>> using type="numeric" with a factor response will be ignored
>>
>>
>
> You did not tell us anything how you got the data from Excel, so I have to
> guess. Try to re-arrange your Excel row so that the first (3 ? check the
> docs; which docs? your unknown function's) lines contain non-missing data.
>
> Dieter
>
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