 chinna dataset ‌ thoo anchana vaeyadam elaa ?
 anek saampradaya paddhatulaku khachitamaina anchanala choose peddha motthamloo deetaa avsaram kabaadi chinna dataset ‌ lato anchana vaeyadam savaluga umtumdi .
 meeku sahaayapade konni vidhaanaalu ikda unnayi .

 sadarana kadile sagatu :  idi nirdishta sankhyalo gta deetaa paayimtla sagatunu tiisukoevadam mariyu tadupari kalaniki suchanagaa upayoginchadam .  trend ledha kaalaanugunata lekunda sthiramaina same shraeniki yea paddathi prabhavavamtamgaa umtumdi .

 ex ‌ ponential smooting :  yea paddathi gta pariseelanalaku vipareetamgaa taggutunna baruvulanu ketayistundi ,  itivali pariseelanalaku ekuva baruvu ivvabaduthundi .  trend mariyu / ledha kaalaanugunathatho same shraeniki yea paddathi prabhavavamtamgaa umtumdi .

ARIMA:  autorigresive intigraeted moving avarage  (ARIMA)  modal same srenini anchana veydaniki ooka prasidha empika .  antarleena deetaa  ARIMA  modal ‌ ni upayoginchi modal cheyagalige namuunaanu anusaristhe chinna dataset ‌ laku idi prabhavavamtamgaa umtumdi .