Unable to run Discriminant Analysis

I am unable to run this command in matlab .

load fisheriris;

linclass=ClassificationDiscriminant.fit(meas,species);

Reason:

After loading fisheriris, matlab gives error on ClassificationDiscriminant.fit because The file " ClassificationDiscriminant.fit" is not in Matlab directory.

Link is given below : "http://www.mathworks.com/help/toolbox/stats/bq_u8tb.html"

Answer 1

[Jiro Doke]

ClassificationDiscriminant class is new in R2011b Statistics Toolbox. Do you have R2011b?

Answer 2

[Prashanth Ravindran]

use function 'classify' to perform discriminant analysis. This function is available in the earlier versions of MATLAB.