 |
 |
Thanku for ur prompt reply. I will try it with lesser EV's. On Apr 30, 2014 3:08 PM, "Mark Jenkinson" <[log in to unmask]> wrote: > Hi, > > If you only have 15 subjects then you cannot fit this many EVs to this > data. > You need to have more data points than variables for the GLM (or any > maths) to work. > > All the best, > Mark > > > On 30 Apr 2014, at 10:30, kavita singh <[log in to unmask]> > wrote: > > Hello, > I have two groups, one patients and other control group (15 (9+6)). There > are 22 beahvioral measures (variables) with 3 regressors as > age,sex,education. so the total number of EV's are 22+3+2=27. (2 are > control and patient). > > EV1 for all controls is 1 and patients is 0. EV2 for all patients is 1 > and controls is 0. rest of the EV's have demeaned values of > controls+patients. > > also we have 22*2=44 + 3 + 2 contrasts. > > the contrasts in the glm is as such... > > con ptn age sex edu var1 var2 var3 ................................var22 > +1 -1 > -1 +1 > +1 > +1 > +1 > +1 > -1 > +1 > -1 > +1 > -1 > > ...................................... > > ............................. > > +1 > > -1 > > > this i am doing using highlevel/non-time series. > As I try to view design or save GLM is shows an error of Newmat: program > exception. > > > > > On Fri, Apr 25, 2014 at 11:21 PM, Mark Jenkinson < > [log in to unmask]> wrote: > >> Hi, >> >> You haven't given us any details on what the error message said, so I'm >> afraid I can't help without more information. >> It would also be helpful to know a little more about the input data and >> the design matrix and contrasts. >> >> All the best, >> Mark >> >> >> On 25 Apr 2014, at 15:53, kavita singh <[log in to unmask]> wrote: >> >> Hello All, >> I am getting an error while am performing GLM (non-time series) with 25 >> EVS. I have done it but with no error in the past. Kindly help why this >> error arises? >> >> Plz answer urgently. >> >> -- >> Regards >> >> Kavita Singh >> Ph.D Scholar >> NMR Research Centre >> INMAS-DRDO >> Delhi-54. >> [log in to unmask] >> skype:livekavita123 >> >> http://www.linkedin.com/profile/view?id=116620043&trk=nav_responsive_tab_profile >> >> >> >> >> > > > -- > Regards > > Kavita Singh > Ph.D Scholar > NMR Research Centre > INMAS-DRDO > Delhi-54. > [log in to unmask] > skype:livekavita123 > > http://www.linkedin.com/profile/view?id=116620043&trk=nav_responsive_tab_profile > > > > >