Synthetic control dataset clustering { Doubt Reg Cardinality }

Hi all, i have run that org.apache.mahout.clustering.syntheticcontrol.<>.Job successfully.. when i run with similar dataset(double values separated by ' ' (space)).. i got the error org.apache.mahout.math.CardinalityException: Required cardinality 16 but got 91 How this Cardinality is calculated

Mahout and eclipse integration setup : having error ; suggestion help and steps needeed

i am new to mahout, i have to setup mahout and eclipse, I untar mahout source.zip and i tried mvn eclipse:eclipse.. i have in already svn the code built it using mvn and i have tried kmeans, its working well.. shall i move that trunk to /home/usename/workspace and do mvn eclipse:eclipse and load

Mahout sequence file format

I am new to Mahout.. i just want to know how text file is converted into seqfile and then to sparse vectors.. any kind of text file can be converted into seq file using ./mahout seqdirectory ? thanks in advance.. ./rahul