Spearman ta hulda coefficient. Spearman daraja hulda coefficient

Horo "Higher LISSAFI" a wasu haddasawa kin amincewa, kamar yadda lalle ba kowa da kowa zai iya gane shi. Amma waɗanda suka yi sa'a isa ya yi nazarin wannan batu da kuma warware matsaloli ta amfani da daban-daban lissafai da kuma dalilai, za fariya da wani kusan kammala shi osvedemlennosti. A m kimiyya, akwai ba kawai wani agaji mayar da hankali, amma kuma wasu dabarbari da kuma ilmin lissafi hanyoyin domin gwajin da jarrabawa sa a gaba a cikin shakka daga gudanar da bincike. Don yin wannan, akwai daban-daban dalilai.

Spearman ta hulda coefficient

Yana da wani na kowa aunawa don kayyade kusanci da dangantaka tsakanin wani biyu fasali. A coefficient kuma ana kiranta ba parametric Hanyar. Yana nuna dangane statistics. Wannan shi ne, da muka sani, misali, cewa yaro ta ta'adi da irritability hade da juna, da kuma hulda coefficient Spearman daraja wannan hasashen ya nuna ilmin lissafin dangantaka tsakanin wadannan biyu haruffa.

Ta yaya ku ƙididdige coefficient na daraja?

Babu shakka, shi yana da dabara da su wadda aka lasafta ga dukkan canji ko ilmin lissafi ma'anar. Kuma shi yana da hulda coefficient na Spearman. Da dabara ya ne kamar haka:

A duban farko, da dabara ne ba gaba ɗaya bayyana, amma idan ka duba, duk abin da aka sosai sauƙi lasafta:

• n - shi ne yawan ãyõyi, ko Manuniya cewa an ranked.
• d - bambanci na biyu takamaiman daraja m zuwa wani biyu masu canji daga kowane gwajin.
• Σd ^{2 -} ware Naira Miliyan Xari murabba'ai bambance-bambance da daraja nuni, da murabba'ai wanda aka lasafta dabam ga kowane daraja.

Bigiren ilmin lissafi sadarwar da matakan

Don amfani da dole ne ka matsayi coefficient to gwada yawa hali data aka ranked, wato, an sanya wani takamaiman adadin dangane da shafin a kan abin da ãyã, kuma na da darajar. An tabbatar da cewa biyu layuka na fasali, bayyana, a lamba form, da dama a layi daya. Coefficient Spearman daraja hulda da kayyade mataki na concurrency, dangane tightness halaye.

Domin ilmin lissafi aiki a kan lissafi da kuma tabbatar da dalilin da connection halaye da ya ce coefficient wajibi ne don yin wasu ayyuka:

1. Kowane darajar duk wani batu ko taron da aka ba dama domin - rank. Yana iya dace da sabon abu na hawa da sauka.
2. Bugu da ari halayyar dabi'u suna idan aka kwatanta da darajõji biyu layuka quantified domin sanin bambancin therebetween.
3. A wani raba shafi na tebur ga kowane bambanci samu rijistar ta square, da kuma sakamakon da aka takaita a kasa.
4. Bayan wadannan matakai, muka yi amfani da wani dabara da calculates da hulda coefficient na Spearman.

Properties na hulda coefficient

Babban Properties na Spearman coefficient hada da wadannan:

• Ji dabi'u a cikin kewayon -1 zuwa 1.
• fassarori coefficient ba a yarda.
• Kusanci da dangantaka ne m da manufa: mafi girma da daraja, da kusa da dangantaka.

Yadda za a duba darajar samu?

Don duba connection tsakanin ãyõyin bukatar yin wasu ayyuka:

1. Kara da null jarrabawa (H0), shi ne na asali, to, da sauran da aka tsara, madadin farko (H _1). A farko jarrabawa zai zama cewa Spearman hulda coefficient ne 0 - wannan yana nufin cewa dangane ba zai zama. Na biyu, a akasin haka, shi ne cewa ba coefficient ne 0, sa'an nan a connection.
2. A mataki na gaba shi ne zan samu lura dabi'u na rarrabẽwa. Shi ne ainihin dabara domin coefficient na Spearman.
3. Next ne m dabi'u na wani qaddara rarrabẽwa. Wannan za a iya yi kawai tare da wani musamman tebur nuna daban-daban darajar domin ba sigogi: matakin muhimmanci (l) da kuma yawan fassara da samfurin size (n).
4. Yanzu kana bukatar ka kwatanta biyu sakamakon dabi'u an saita su kiyaye, kazalika da m. Don yin wannan, dole ne ka gina da m yankin. Wajibi ne a zana a mike layin a kan shi a lura cikin sharuddan da m dabi'u na coefficient tare da alamar "-" kuma tare da wani alamar "+". Hagu da dama daga cikin m dabi'u na dige ake ajiye semicircles m yankunan. Middle, hada biyu dabi'u, akwai wani Semi-da'ira na tsari laifi kungiyoyin.
5. Bayan da cewa ƙarasa maƙil mahada tsakanin ãyõyi biyu.

Inda mafi don amfani da wannan darajar

The sosai farko kimiyya wanda aka rayayye yi amfani da wannan rabo ya Psychology. Bayan duk, shi ne mai kimiyya, ba bisa ga Figures, amma domin tabbatar da wani muhimmanci shiriritar game da ci gaban da dangantaka, hali dabiu na mutane, dalibai 'ilmi, ilimin kididdiga tabbatarwa daga cikin binciken da ake bukata. Har ila yau, an yi amfani da da tattalin arziki, musamman a gudu daga kudin. Akwai aka kiyasta ba tare da ãyõyi statistics. Sosai dace Spearman daraja hulda coefficient a cikin wannan aikace-aikace a cikin abin da kimantawa da aka yi da kansa daga rarraba canji, tun suna maye gurbinsu ranking lambar. Spearman coefficient rayayye amfani a banki. Ilimin halayyar, kimiyyar siyasa, demography da sauran ilimomin kuma amfani da shi a cikin su gudanar da bincike. A sakamakon da samu da sauri kuma yadda suka fade su.

Dace da sauri ta amfani da Spearman hulda coefficient a Excel. A nan, akwai na musamman siffofin cewa taimake ku da sauri samu da ake bukata darajar.

Abin da sauran hulda coefficients zama?

Haka kuma, abin da muka koya game da Spearman coefficient na hulda, akwai daban-daban hulda coefficients, kyale don auna, kimanta da ingancin halaye, da dangantakar dake tsakanin gwada yawa dabiu, kusanci na dangantaka tsakanin su wakilce a cikin ranking sikelin. Wadannan su ne abubuwan kamar bisserialny, rank-bisserialny, kontengentsii, jam'iyya, da sauransu. Spearman coefficient daidai nuna kusanci sadarwa, sabanin abin da wasu ilmin lissafi hanyoyin domin ta shiba.