Ukusasazeka ngu inani elilindelekileyo lokwahluka okuhambelana nesiphumo. Oku kusixelela uluhlu lwamaxabiso anokwenzeka esinokulindela ukuwabona. Ubume. Imilo ibonisa indlela ukwahluka okwabiwa ngayo malunga nendawo.
Hereof, Kuthetha ukuthini ukusasazeka kwiplothi yeploti? Iziko leseti yedatha yindlela yokuchaza ixabiso eliqhelekileyo kwiseti yedatha. Ukusasazeka kwesethi yedatha yi usasazwa njani amaxabiso edatha akwiseti. Ukuba uneesethi ezimbini zedatha ezahlukeneyo ezimelwe kwiiplani zamachaphaza, ungasebenzisa iiplani zamachaphaza amabini ukuthelekisa imilo, umbindi, kunye nokusasazeka kweeseti zedatha ezimbini.
Ukuchaza njani ukusasazeka? Amanyathelo okusasazeka achaza ifana okanye yahluke kangakanani na iseti yamaxabiso ajongiweyo yotshintsho oluthile (into yedatha). Imilinganiselo yokusabalalisa ibandakanya uluhlu, ii-quartiles kunye ne-interquartile range, ukuhluka kunye nokuphambuka okusemgangathweni.
Ukongeza Yintoni iziko losasazo? Umbindi wonikezelo ngu embindini wonikezelo. Umzekelo, umbindi ka-1 2 3 4 5 linani u-3. … Jonga igrafu, okanye uludwe lwamanani, ubone ukuba iziko licacile na. Fumana intsingiselo, "i-avareji" yeseti yedatha. Fumana i-median, inani eliphakathi.
Ukufumana njani ukusasazeka? Uhluko
- Fumana intsingiselo yeseti yedatha.
- Thabatha inani ngalinye kwi- mean.
- Isikwere isiphumo.
- Dibanisa amanani kunye.
- Yahlula isiphumo ngenani lilonke lamanani kwiseti yedatha.
Uyifunda njani isambatho?
Ukusasazeka kwenqaku ku ukubheja kumda woloyiso kwi umdlalo. Iqela elomeleleyo okanye umdlali uya kuthandwa linani elithile lamanqaku, kuxhomekeke kwisithuba esibonwayo kwisakhono phakathi kwamaqela amabini. Uphawu lokuthabatha (-) luthetha ukuba iqela lelona lithandwayo. Uphawu lokudibanisa (+) luthetha ukuba iqela lingaphantsi.
Yeyiphi eyona milinganiselo iyiyo yeziko kunye nosasazo lokusebenzisa ukuchaza isethi yedatha nganye? Xa ijijelwe ekunene okanye ekhohlo kunye nezinto ezingaphandle eziphezulu okanye ezisezantsi ke umdi kungcono ukusebenzisa ukufumana iziko. Umlinganiselo ongcono wokusasazeka xa i-median iyiziko yi-IQR. Ngokuphathelele xa iziko lisintsingiselo, kufuneka kusetyenziswe ukutenxa okusemgangathweni njengoko kulinganisa umgama phakathi kwendawo yedatha kunye nentsingiselo.
Kutheni kubalulekile ukuchaza zombini iziko kunye nokusabalalisa? Kukho izizathu ezininzi zokuba kutheni umlinganiselo wokusasazeka kwexabiso ledatha ubalulekile, kodwa esinye sezizathu eziphambili malunga nobudlelwane bayo amanyathelo okuthambekela okuphakathi. Umlinganiselo wokusasazeka usinika umbono wendlela intsingiselo, umzekelo, imele ngayo idatha.
Uthini umahluko phakathi kokuthambekela okuphakathi kunye nokusasazeka?
Imilinganiselo ebonisa indawo esondeleyo yokusabalalisa ibizwa ngokuba yimilinganiselo ye-central tendency. Amanyathelo achaza ukusasazeka kwedatha yimilinganiselo yokusasazwa. La manyathelo abandakanya i-mendi, i-median, imo, uluhlu, iiquartiles eziphezulu nezisezantsi, mahluko, kunye nokutenxa okusemgangathweni.
Kwakhona Uyichaza njani imilo yonikezelo? Ubume bokuhanjiswa buchazwa ngu inani layo leencopho kunye nokuba ne-symmetry, ukuthambekela kwayo ekujikeni, okanye ukufana kwayo. (Ulwabiwo olujijekileyo lunamanqaku amaninzi acwangcisiweyo kwelinye icala legrafu kunakwelinye.)
Silinganisa njani ukusasazeka kokusasazwa?
Ingcamango esemva ukuphambuka okumiselweyo kukulinganisa ukusasazwa kosasazo ngokulinganisa ukuba imigqaliselo ikude kangakanani na kumlinganiselo wayo. Ukutenxa okusemgangathweni kunika umyinge (okanye umgama oqhelekileyo) phakathi kwendawo yedatha kunye nentsingiselo.
Yintoni embindini wesiqu nesiqu segqabi? Kumqolo ngamnye, inani elikwi "stem" (uluhlu oluphakathi) limele idijithi yokuqala (okanye amasuntswana) exabiso lesampulu. "Iyunithi yeqabunga" ephezulu kwiplothi ibonisa ukuba yeyiphi indawo yesishumi amele amaxabiso.
Ziziphi iintlobo ezahlukeneyo zokusasazeka?
Ukusasazeka okuqhelekileyo kubandakanya ukusasazeka kobisi (ezifana neetshizi, i-creams, kunye namabhotela, nangona igama elithi "ibhotolo" lisetyenziswa ngokubanzi kwiintlobo ezininzi ezisasazwayo), iimajarini, ubusi, i-plant-derived spreads (ezifana nejam, ijeli, kunye ne-hummus), i-yeast isasazeka (njenge-vegemite kunye ne-hummus). marmite), kunye nokusasazeka kwenyama (njenge-pâté).
Kutheni ukusasazeka kwedatha kubalulekile?
Kutheni kubalulekile ukulinganisa ukusasazeka kwedatha? …Umlinganiselo wokusasazeka isinika umbono wendlela intsingiselo, umzekelo, imele ngayo idatha. Ukuba ukusasazwa kwamaxabiso kwiseti yedatha kukhulu, intsingiselo ayimelanga idatha ngokungathi ukusasazeka kwedatha kuncinci.
Ubizwa ngokuba yintoni umlinganiselo wokusasazeka xa intsingiselo ingumlinganiselo weziko? Kufanelekile ukusebenzisa ukuphambuka okumiselweyo njengomlinganiselo wokusasazwa kunye nentsingiselo njengomlinganiselo weziko.
Kuthetha ntoni ukusasazeka kwe +7? Kuthetha ukuthini ukusasazeka kwe +7? Ukuba ukusasazeka ngamanqaku asixhenxe kumdlalo, kuthetha ukuba underdog ufumana amanqaku asixhenxe, iphawulwe njenge +7 kwi-dds. Iqela elifakwe kwi-7 liyintandokazi kwaye libeka amanqaku asixhenxe.
Yintoni i-2.5 point spread?
Yintoni i-2.5-point spread? Ukuba iNew York yi +2.5, oko kuthetha ukuba banjalo i-underdog kwaye ibonwe okanye inikwe amanqaku ayi-2.5. Ukuba iNew York ilahlekelwe ngamanqaku amabini okanye ambalwa, kubhejo oluphumeleleyo. Ukuba iNew York ikhupha isiphithiphithi esithe ngqo, oko ke ikwayibheji ephumelelayo.
Kuthetha ukuthini ukusasazeka kuka-1.5? Indawo yokubheja kwi-baseball
Inqaku elisasazeka kwi-baseball odds lihlala libizwa ngokuba yi-run line. Kwi-MLB, umgca wokubaleka usoloko ubekwe ku-1.5, intsingiselo owuthandayo ufuna ukuphumelela ngemitsi emibini nangaphezulu.
Ingaba imilo ithetha ntoni kwizibalo?
Imilinganiselo yobume chaza unikezelo (okanye ipateni) yedatha ngaphakathi kweseti yedatha. Imilo yokuhanjiswa kwedatha yobungakanani inokuchazwa njengoko kukho ulandelelwano olunengqiqo kumaxabiso, kwaye 'ophantsi' kunye 'nophezulu' amaxabiso esiphelo kwi-x-axis yehistogram ayakwazi ukuchongwa.
Yeyiphi imilinganiselo yeziko kunye nosasazo olunika esona sishwankathelo sale histogram yonikezelo? Intsingiselo ifanelekile ukuba isetyenziswe kwimilinganiselo yeziko kunye nokusabalalisa ukuhanjiswa kwe-symmetric ngaphandle kwangaphandle. Umndilili lukhetho olufanelekileyo ukuchaza iziko losasazo.
Yeyiphi imilinganiselo yeziko nosasazo ekufuneka isetyenziselwe idatha eseti kwihistogram engentla?
Intsingiselo ifanelekile ukusetyenziselwa imilinganiselo yeziko kunye nokusabalalisa ukuhanjiswa kwe-symmetric ngaphandle kwazo naziphi na izinto ezingaphandle. I-median lukhetho olufanelekileyo lokuchaza iziko losasazo.
Kwenzeka ntoni kwiziko lokumila kunye nokwahluka xa uthabatha intsingiselo kumanqaku ngamnye? Ukulinganisa umgangatho kuchaphazela njani ukumila, umbindi, kunye nokusasazwa kwawo? … kodwa Hayi ukusasazeka okanye ukumila kosasazo. Xa usongeza okanye uthabatha isigxina kwinqaku ngalinye kunikezelo. utshintsho oluyintsingiselo kwisixa esongeziweyo okanye esithathiweyo; kodwa i ukutenxa okusemgangathweni & nomahluko hlalani ninjalo.