Spearman o Correlation coefficient. Spearman o boemong Correlation coefficient

Taeo "mmetse ya motheo wa phahameng" ka bang bakang ho khesoa, ho ka sebele e sa mong le e mong a ka e utloisisa. Empa ba lehlohonolo ho ithuta taba ena le ho rarolla mathata a ho sebedisa ditekanyo tse sa tšoaneng le lintlha, ka ithorisa e hoo e ka bang e phetha osvedemlennosti. Ka ea saense e kelello, ho na le hase feela tjhebelopele botho, empa hape itseng mekhoa le mekhoa thuto ea lipalo tsa leka ho khopolo beha pele ka mokhoa oa ho etsa lipatlisiso. Ho etsa sena, ho na le lintlha tse sa tšoaneng.

Spearman o Correlation coefficient

Ho ke tekanyo tloaelehile hore qeto ea hore na katamelano ea mabapi pakeng tsa makgetheng efe kapa efe tse peli. The coefficient o boetse o bitsoa bao e seng parametric mokhoa. Ho bontša lipalo-palo e mabapi. Ke hore, re tseba, ho etsa mohlala, e le hore mabifi ba ngoana e le teneha amanang le mong ho e mong, 'me ho Correlation coefficient Spearman boemo lipalo-palo bontša kamano thuto ea lipalo pakeng tsa litlhaku tsena tse peli.

U bale coefficient la boemo bo tlaase?

Ha ho pelaelo hore, ho na le moralo ea eona e ke eona li le balwa bakeng divariabole tsohle kapa litlhaloso lipalo. 'Me e na le Correlation coefficient tsa Spearman. moralo oo a e tjena:

Ka chebo ea mahlo, moralo wa ke ke ua e hlakileng ka ho feletseng, empa ha o sheba, tsohle e habonolo haholo balwa:

• n g - ke palo ea matšoao kapa litsupa tse Ranked.
• le d - phapang la boemo bo tlaase tse peli e itseng e tsamaisanang le ho itseng divariabole tse peli tsa e mong le e teko.
• Σd ^{2 -} chelete ea mapatlelong a se tšoane tsa boemo bo bontšang, le mapatlelong a tse balwa ka thoko bakeng sa boemo bo mong le e.

Boholo ba mehato thuto ea lipalo le puisano e

Ho etsa hore o lokela boemo bo coefficient ho ya data ditirisanommogo tšobotsi ne Ranked, ke hore, e 'nile ea abeloa palo e itseng ho itšetlehile ka sebaka ka tseo pontšo,' me ea bohlokoa. E paka hore mela e 'meli ea litšobotsi, bontšitsoeng ka foromo dipalo, e tšoanang le tse' maloa. Coefficient Spearman boemo Correlation rerang tekanyo ea ho concurrency, litšobotsi tse mabapi tightness.

Bakeng sa tshebetso thuto ea lipalo e le manolotsoeng le boikemisetso ba le litšobotsi tse mabapi ke itse coefficient hlokahalang ho etsa ba bang ba liketso tsa:

1. E mong le e boleng taba efe kapa efe kapa ketsahalo e fanoeng 'maloa e le hore - boemo. E ka tšoanang le lipono tse makatsang tsa nyoloha le theoha.
2. Ho ekelletsa moo melao ea boitšoaro e khethollang li bapisoa palo ea mela e 'meli quantified ho fumana hore na phapang therebetween.
3. Ka lenaneng la arohaneng tsa tafole bakeng mong le phapang fumana ngolisa lisekoere lona, 'me liphello li akaretsa tlase.
4. Ka mor'a mehato ena, re etsa kopo e le moralo oo calculates le Correlation coefficient tsa Spearman.

Properties tsa Correlation coefficient

The thepa ka sehloohong sa Spearman coefficient kenyeletsa tse latelang:

• makgabane go lekanya ka mefuta e fapaneng -1 ho 1.
• litlhaloso coefficient hoa lumelloa.
• Katamelano ea kamano e laolwang ke molao-motheo o: a phahameng boleng, e haufi-ufi le kamano ea.

Tsela ea ho hlahloba boleng ba fumana?

Ho hlahloba mabapi pakeng tsa matšoao a hlokahala hore ho phetha liketso tsa itseng:

1. Fetela le ho null khopolo (H0), e le motheo, ka nako eo tse ling e rerileng, mefuta e meng ea pele (H _1). The khopolo ea pele e ne e tla ba hore Spearman Correlation coefficient ke 0 - sena se bolela hore mabapi le ke ke ba. Ea bobeli, ho fapana le hoo, ho ke ke hore ha coefficient ke 0, ka nako eo e mabapi.
2. Bohato bo latelang ke ho fumana melemo o ile a re ba criterion ena. Ho ke moralo motheo bakeng sa coefficient tsa Spearman.
3. Hlahlamang ke melemo mahlonoko tseo ho leng a criterion esale pele. Sena se ka etsoa feela ka tafole e khethehileng ho bontša boleng fapaneng bakeng sa ditekanyetso fanoeng: boemo ba bohlokoa (l) 'me palo ea hlalosang le sampole boholo (n g).
4. Joale o lokela ho bapisa melemo e 'meli sephetho le ba beha hore ba boloke, hammoho le tse mahlonoko. Ho etsa sena, o lokela ho haha sebaka se mahlonoko. Ho ke ke ho hlokahala hore ba atamele mola o otlolohileng ka ho ela hloko ka ho ya ka melemo mahlonoko tseo ho leng ea coefficient le pontšo ea "-" 'me le "+" pontšo. Ka ho le letšehali le le letona la melemo mahlonoko tseo ho leng ea matheba a beha semicircles libakeng tse mahlonoko. Bohareng, kopantseng melemo e 'meli, ho na le seka-selika-likoe sa lihlopha hlophisitsoe hore tlōlo ea molao.
5. Ka mor'a moo o phetha kgokahanyo phetheselang pakeng tsa lipontšo tse peli.

Moo molemo ho sebelisa boleng ena

Saense pele haholo e ka mafolofolo sebediswa karo-karolelano ena e ne e le kelello. Ka mor'a hore tsohle, ho ke ke ea saense, ha e thehiloeng lipalo le, empa e le ho bontša hore dikgakanyo efe kapa efe ea bohlokoa mabapi le tsoelo-pele ea likamano, botho ba batho, tsebo baithuti ', dipalopalo netefatso ya fumanoeng ke ea hlokahala. Hape, ho e sebelisoa ka moruo, ka ho khetheha ka lebelo la chelete. Ho na le ba ha hakanngoa ntle matšoao lipalo-palo. loketseng haholo Spearman boemo Correlation coefficient ka kopo ena ka hore sekasekale e phethile le nosi ho tswa ho aba divariabole, kaha ba ba nkeloa sebaka ke boemong palo. Spearman coefficient ka mafolofolo o ile a sebelisa ka ho banka. Kahisano, saense ea lipolotiki, farologaneng le saense tse ling hape e sebelise ho ho etsa lipatlisiso tsa bona. diphetho a fumana ka potlako 'me e le ka nepo kamoo ho ka khonehang.

Bonolo le ka potlako ho sebedisa Spearman Correlation coefficient ka ipabola. Mona, ho na le makgetha a ho khethehileng hore u thusa ka potlako fumana boleng hlokahala.

Seo ba bang Correlation coefficients teng?

Ho feta moo, seo re ithutileng sona ka ho Spearman coefficient tsa Correlation, ho na le Correlation coefficients tse fapa-fapaneng, a ba lumella ho lekanya, ho hlahloba litšobotsi tse boleng, kamano e pakeng tsa litšobotsi ditirisanommogo, katamelano ea kamano pakeng tsa bona e emetsweng tekanyo e boemong. Tsena ke lintlha joaloka bisserialny, boemo bo-bisserialny, kontengentsii, botsoalle, le lintho tse ling. Spearman coefficient nepo bontsha katamelano ea ho buisana, ho fapana le ea mekhoa e meng kaofela thuto ea lipalo bakeng sa boikemisetso ba lona.