Xaiv Stat > Sijhawm Series > Autocorrelation
Koj tuaj yeem tshawb xyuas autocorrelation hauv Minitab li cas?
Xaiv Stat > Sijhawm Series > Autocorrelation thiab xaiv cov seem; qhov no qhia txog autocorrelation muaj nuj nqi thiab Ljung-Box Q xeem statistic.
Koj pom autocorrelation li cas?
Ib txoj hauv kev ntawm kev sim rau autocorrelation yog qhov kev xeem Durbin-Watson. Cov ntaub ntawv txheeb cais xws li SPSS tuaj yeem suav nrog kev xaiv ntawm kev ua haujlwm Durbin-Watson xeem thaum ua qhov kev ntsuas rov qab. Qhov kev ntsuam xyuas Durbin-Watson ua ib qho kev xeem ntsuas uas nyob ntawm 0 txog 4.
Yuav ua li cas koj pom autocorrelation nyob rau hauv ib daim phiaj seem?
Autocorrelation tshwm sim thaum cov seem tsis muaj kev ywj pheej ntawm ib leeg. Ntawd yog, thaum tus nqi ntawm e [i + 1] tsis ywj pheej ntawm e . Thaum lub phiaj xwm seem, lossis lag-1 zaj dab neeg tso cai rau koj los saib xyuas qhov kev sib raug zoo ntawm tus kheej, koj tuaj yeem sim ua qhov kev xav siv Durbin-Watson test.
Peb siv autocorrelation nyob qhov twg?
Autocorrelation hauv Kev Ntsuas Kev Ntsuas
Cov kws tshuaj ntsuam xyuas siv tau autocorrelation rau xam seb qhov cuam tshuam npaum li cas yav dhau los tus nqi rau kev ruaj ntseg muaj rau nws tus nqi yav tom ntej. Autocorrelation tuaj yeem pab txiav txim seb puas muaj qhov cuam tshuam ntawm kev ua si nrog cov khoom lag luam.