Gnu PSPP yog ib qho kev kawm rau kev txheeb xyuas cov ntaub ntawv ntsuas cov lus.
Daim ntawv ntsuas
Daim duab qhia koj ua cov duab sawv cev ntawm cov ntaub ntawv taban yooj yim, hauv daim foos "daim ntawv lo": tus nqi ". Nws tuaj yeem kos duab kab rov tav / ntsug bar kab ntsug, kab kos kab kab thiab cov kab paus ncuav qab zib.