[R] generate levels with different number of replications with gl() function

[hehsham alpukhity]

I am trying to use the function gl (generate levels with different number of replications), generate different number of replications in each level.examplei have factor with this levels (BR,CNS ,CO,LE,ME,LC,OV,PR,RE),
 and the replications is not the same , i want (4 replication for BR),( 6 replications for 
CNS,7 replications for CO,6 for LE,10 for ME,9 for LC,7 for OV, 2 for PR ,and 8 for RE).thank you v much . Hisham AL-bukhaiti  Ph.D Student (Information system )  China, changsha,Hunan university.  Mobile: 0068-15 111 4246 91.
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