Ziwerengero za Kusanthula Deta: Maziko, Njira, ndi Magwiritsidwe Ntchito Ziwerengero ndi nthambi ya masamu yokhudzana ndi kusonkhanitsa, kusanthula, kutanthauzira, ndi kupereka deta. Ndi chida chofunikira kwambiri m'magawo osiyanasiyana monga zachuma, zaumoyo, sayansi ya chikhalidwe cha anthu, uinjiniya, ndi kafukufuku wasayansi. Nkhaniyi ikutsogolerani ku mfundo zoyambira za ziwerengero, njira zomwe zimagwiritsidwa ntchito kwambiri, ndi… Werengani zambiri
Kodi Ziwerengero za Multivariate ndi chiyani? Ziwerengero za Multivariate ndi nthambi ya ziwerengero zomwe zimaphatikizapo kuwona ndi kusanthula nthawi imodzi zinthu zosinthika za ziwerengero zoposa chimodzi. Cholinga cha kusanthula ziwerengero za multivariate ndikumvetsetsa kapangidwe kovuta ka deta ndikupeza njira zomwe sizingadziwike kudzera mu kusanthula kosinthika kamodzi. Ndi kuwonjezeka kosalekeza kwa kuchuluka kwa deta yomwe ilipo m'magawo osiyanasiyana, ziwerengero za multivariate… Werengani zambiri
Mayeso a T mu Ziwerengero Zoganizira Ziwerengero zoganizira ndi nthambi ya ziwerengero zomwe zimagwiritsidwa ntchito kupeza ziganizo zokhudza chiwerengero cha anthu kutengera zitsanzo. Chida chimodzi chomwe chimagwiritsidwa ntchito nthawi zambiri pofufuza za kulingalira ndi mayeso a t. Mayeso a t ndi njira yowerengera yomwe imagwiritsidwa ntchito kudziwa ngati pali kusiyana kwakukulu pakati pa njira za magulu awiri kapena kuyerekeza... Werengani zambiri
Kusanthula Zinthu mu Ziwerengero Ziwerengero ndi nthambi ya sayansi yomwe imayang'ana kusonkhanitsa, kusanthula, kutanthauzira, ndi kupereka deta. Njira yolimba ya ziwerengero imalola ofufuza kupanga malingaliro olondola komanso olondola okhudza anthu kuchokera ku chitsanzo. Njira imodzi yofunika kwambiri mu ziwerengero ndi kusanthula zinthu. Nkhaniyi ikambirana za kusanthula zinthu, momwe... Werengani zambiri
Ziwerengero mu Kuwerengera Maakaunti ndi Kuwerengera Maakaunti Ziwerengero ndi nthambi ya masamu yomwe imaphunzira momwe angasonkhanitsire, kusanthula, kutanthauzira, ndi kupereka deta. Mu dziko la bizinesi, makamaka mu kafukufuku wa maakaunti ndi kuwerengera ndalama, ziwerengero zimakhala ndi gawo lofunika kwambiri. Chidziwitso ndi luso mu ziwerengero zimathandiza owerengera ndalama ndi owerengera ndalama kuchita kusanthula mozama ndikupanga zisankho zodziwa bwino. Werengani zambiri
Fomula ya Percentile mu Ziwerengero Percentile ndi lingaliro lofunika kwambiri mu ziwerengero, lomwe nthawi zambiri limagwiritsidwa ntchito kumvetsetsa kugawa deta ndikuyerekeza mtengo uliwonse mkati mwa deta yayikulu. Nkhaniyi ifufuza mozama lingaliro la percentile, momwe mungawawerengere, ndi momwe amagwiritsidwira ntchito m'magawo osiyanasiyana. Kumvetsetsa Percentile: Percentile ndi miyeso ya ziwerengero yomwe imasonyeza... Werengani zambiri
Kusanthula kwa Magulu mu Ziwerengero Chiyambi Kusanthula kwa magulu ndi njira yofunika kwambiri mu ziwerengero zomwe zimagwiritsidwa ntchito kugawa gulu la zinthu kapena deta m'magulu ofanana kutengera kufanana kapena makhalidwe omwe amagawana. Mu dziko lodzala ndi deta yayikulu, kumvetsetsa kapangidwe ndi machitidwe mkati mwa deta ndi vuto lalikulu. Kusanthula kwa magulu kumapereka yankho la izi… Werengani zambiri
Malingaliro Oyambira a Kugawa Ma Frequency Kugawa ma frequency ndi njira yofunika kwambiri mu ziwerengero zokonzera ndi kusanthula deta. Mawu awa amatanthauza momwe ma data values amagawidwira m'magulu kapena nthawi ndi momwe ma frequency a gulu lililonse amalembedwera. Mwa kufufuza mfundo zoyambira za kugawa ma frequency, titha kumvetsetsa momwe tingatanthauzire deta ndi… Werengani zambiri
Njira Zosonkhanitsira Deta mu Ziwerengero Ziwerengero ndi gawo lofunika kwambiri pothandizira kupanga zisankho motsogozedwa ndi deta. Mu ziwerengero, kusonkhanitsa deta kumachita gawo lofunika kwambiri chifukwa ubwino wa kusanthula ziwerengero umadalira kwambiri mtundu wa deta yomwe yasonkhanitsidwa. Chifukwa chake, njira zosonkhanitsira deta ndizofunikira. Nkhaniyi ikambirana njira zosiyanasiyana zosonkhanitsira deta… Werengani zambiri
Ziwerengero za Sayansi ya Anthu Ziwerengero zimagwira ntchito yofunika kwambiri m'magawo osiyanasiyana ophunzirira, kuphatikizapo sayansi ya chikhalidwe cha anthu. Monga nthambi ya masamu yomwe imayang'ana kwambiri kusonkhanitsa, kusanthula, kutanthauzira, ndi kupereka deta ya manambala, ziwerengero zakhala chida chofunikira kwambiri pakufufuza, kuwunika mfundo, komanso kupanga zisankho. Mu sayansi ya chikhalidwe cha anthu, ziwerengero zimathandiza ofufuza kumvetsetsa zochitika za chikhalidwe cha anthu, khalidwe la anthu, ndi kapangidwe ka… Werengani zambiri