Just taking a guess here but there seems to be very little variation the
columns V10 till column V23.
BTW, can you not issue the following call :
mydata[ , 1:7] ~ mydata[ , 8] + mydata[ ,9]
instead of creating y1, y2, ... separately then cbind-ing them ?
On Tue, 2006-02-07 at 21:52 +0800, Andy Wong wrote:
> I have applied the R and MNP to carry out the data analysis. However, there
> is an error called SWP : singular matrix. Can someone tell me what is the
> problem of my formula or the file "mydata".
> I have attached the data file "mydata" in Excel format and the result
> printed in pdf format for your information.
> Thanks for your advice.
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