ăŻăăă«
ä»ćăŻăăæ°ăăçžéąäżæ°ăăšéæăŁăă€ăłăăŻăăźăăè«æăçŽčä»ăăŸăă
ăăźè«æă§ćźçŸ©ăèŠăă ăă ăšă€ăă€ăăŽăăšæ„ăȘăăăăăăȘăăźă§ăćłăäœżăŁăŠăăăăăăèȘŹæăăŸăă
çŽčä»ăăè«æăŻăăĄăïŒ
Chatterjee, Sourav. "A new coefficient of correlation." Journal of the American Statistical Association 116.536 (2021): 2009-2022.
Stanford性ăźééźă«ăăćèă§ăç”±èšćŠ4性èȘăźJASAă«æČèŒăăăźèšäșăźæçšżæçčă§ăă§ă«500ä»¶èżăćŒçšăăăăŸăă
ăăăŸă§ăźçžéąäżæ°
ăŸăăŻç°Ąćă«ć€ć
žçăȘçžéąäżæ°ăăăăăăăăăšă«ăăŸăăăă
仄äžă
1. Pearsonăźçžéąäżæ°
ăŸăăæăäžèŹçă«çžéąäżæ°ăšćŒă°ăăăăźăŻăPearsonăźïŒæšæŹïŒçžéąäżæ°ă§ăăăŒă·ăăŻăȘç”±èšćŠăźæç§æžă«ăŻćż
ăç»ć ŽăăŸăă
æšæŹćčłćă
ăăăŻäžćżćăăïŒă€ăźçąșçăăŻăă«
ăăă§ăăèšăăăæŹ çčăŻăPearsonçžéąäżæ°ăŻăç·ćœąăźéąäżæ§ăăæăăăăȘăăăšăăçčă§ăăă€ăŸăă
éç·ćœąéąäżăć«ăăæ€ćșăźăăă«ăŻăăćŒ·ćăȘçžéąäżæ°ăçšæăăćż
èŠăăăăŸăă
â»ăăă§ăŻćăăăăăăźăăă«ç·ćœąăšćŒăă§ăăŸăăăéăŒăăźćçăèš±ăăźă§ăăąăăŁăłăăšćŒă¶ăźăæŁăăă§ăă
2. Spearmanăźé äœçžéąäżæ°
ă€ăă«ăăăĄăăæćăȘSpearmanăźé äœçžéąäżæ°ăçŽčä»ăăŸăăăă
ăé äœăăèăăăăšă§ăăă©ăźé çȘă§ć€§ăăăźăăă ăăèŠăăăăăă©ăźăăăïŒçžćŻŸçă«ïŒć€§ăăăźăăăšăăæ
ć ±ăćæžăăăŸăăăăă«ăăăéç·ćœąăȘćéĄăç·ćœąă«ćž°çă§ăăïŒïŒPearsonçžéąă§æ±ăăćéĄă«èœăšăăïŒć ŽćăăăăŸăă
ăŸăă
ă€ăŸăé äœć€æćŸăźPearsonçžéąă«ćŻŸćżăăŠăăŸăăă
ăăă ăèŠăŠăăăăăăăȘăăźă§ăćłă§ă€ăĄăŒăžăăŸăăăă
ăŸăăäžăźăăăȘćœąă§ăăăăăźć€æ°ăźăăąăćŸăăăŠăăăšăăŸăă
ăăăŻæăăă«éąäżæ§ăăăăăă§ăăă
ăăăé äœă«ć€æăăăšăăăăšăŻă
ăăăšćźć
šă«çŽç·äžă«äžŠăłăŸăăăźă§ăăăźPearsonçžéąăŻïŒïŒă€ăŸăć
ăźăăŒăżăźSpearmané äœçžéąăïŒïŒă«ăȘăăŸăă
ăăźăăă«ăăŠăéç·ćœąăźéąäżæ§ăç·ćœąă«ćž°çă§ăăăźă§ăă
ăăăSpearmané äœçžéąă«ăćéĄăăăăŸăăă
ăăăŻăăä»»æăźćèȘżăȘăéąäżæ§ăŸă§ăăæăăăăȘăçčă§ăă
ăăźä»
ă»ăă«ăăă«ăŒăă«æłăăŒăčă§éç·ćœąæ§ăæăăăăăłăă„ă©ăèăăăăæ§ă ăȘéąäżæ§ć°șćșŠăææĄăăăŠăăŠăăŸăăăăăźçŸ ćăŻć è«æă«èČăăăšă«ăăŸăă
æ°ăăçžéąäżæ°ïŒChatterjeeé äœçžéą
ă§ăŻăăăăè«æăźçŽčä»ă«ç§»ăăŸăăăă
ææĄăăăăæ°ăăçžéąäżæ°ăăŻăèšçźă軜éăă€ăăăźć€ăăŒăă«èżă„ăăăšăŻă
ăŸăăŻćźçŸ©ăèŠăŠăżăŸăăăă
é äœăèŠăéœćäžăèȘŹæăźç°Ąćăźăăă«ăżă€ïŒć
šăćăć€ïŒăććšăăȘăăšăăŸăăăă
- ăŸă
ăšăȘăăăă«ăăŒăżćŻŸăăœăŒăăăŸăă - ăăźăšă
ăŻćäœă§ăœăŒăăăă ăźăœăŒăă«ćŸăŁăŠć ăźăăŒăżçčć šäœă ăšæžăăŸăă ă ăźé äœăšăăŠă仄äžăćźçŸ©ăăŸăïŒ
ć
ăźè«æäžă§ăŻăăăźćźçŸ©ăźè§Łéă«éąăăèšèż°ăŻă»ăŒèŠćœăăăŸăăă
äžäœăăă ăèŠăŠăăȘăă»ă©ïŒăăšæăăäșșăă©ăă ăăăă§ăăăăâŠă
ć
ă»ă©ăšéĄäŒŒăăćłăäœżăŁăŠćźçŸ©ăźçŽæèȘŹæăăŠăăăŸăă
ăŸăă仄äžăźăăăȘ10ćăźçąșç〿°ăźăăąăèŠłæžŹăăăšăăŸăăăă
ăăă
ăăźăšăChatterjeeé äœçžéąăŻăăăăăïŒăăäžăźéç·ăźé·ăăźćăćŒăăăăźăšçè§Łă§ăăŸăă
ăăźć Žćăéç·ăźé·ăăźç·ćăŻ
ç”ć±ăźăšăăăă
ć
·äœçă«ăŻă
-
éŁç¶ăȘć Žć: ćă
ăźéç·ăźé·ăăŻćźæ°ăȘăŒăăŒ.
ćăăčăŠè¶łăäžăăŠă ăźăčă±ăŒăȘăłă°ă§æ¶ăă.
-
ééŁç¶ăȘć Žć: ééŁç¶éšćăźéç·ăźé·ăăŻ
.- æéćăźăžăŁăłăăȘă
ăźăčă±ăŒăȘăłă°ă§æ¶ăă.
- æéćăźăžăŁăłăăȘă
ăšăăćœąă§ă挞èżçăȘćŠ„ćœæ§ăććăăă§ăă
æ°ć€çăȘæ€èšŒ
ă§ăŻćźéă«ăăŁăšăăŒăżçčăćąăăăŠćźéšăăŠăżăŸăăăăäžæŹĄéąæ°ăźéąäżăăă
ăăŻăăă”ăłăă«ă”ă€ășăćąć ăăă«ă€ăăŠæŁăăéąäżæ§ăźæçĄă〿ă§ăăŠăăăă§ăăă
ă§ăŻăŸăŁăă2〿°éă«éąäżæ§ăçĄăć ŽćăŻă©ăă§ăăăăă
äžăŻ
ăăŻăăĄăăăšéąäżæ§ăçĄăăšăăăăšăèć„ă§ăăŠăăŸăăă
çè«çăȘæ§èłȘ
Chatterjeeé äœçžéąăŻăă ăăă仄äžăźăăăȘæăŸăăæ§èłȘăæă€ăăă§ăïŒ
( : law of ). 㯠㚠ăźçŹç«æ§ăšćż èŠćć, 㯠ăšăȘăćŻæžŹéąæ° ăźććšăšćż èŠćć. ăš ăçŹç«ă§ ăéŁç¶ć€ăźăšă ăăçŹç«æ§æ€ćźăæ§æćŻèœ.- é äœă«ăăäŸćăăȘăăźă§ć€ăć€ă«ăăăčă. ăă€
ăš ăźćèȘżć€æă«ă€ăăŠäžć€ă§, èšçźæéăŻ ă§æ©ă.
ăȘăăèŻăăăšć°œăăăŁăœăă§ăăă
äžćżăă·ă°ăă«ăæ»ăăăȘăšăä»ăźçŹç«æ§æ€ćźăăæ€ćșćăäœăăšææăăăŠăăăăŹăŒăéćčçăćŸă«ćăăŁăăăźăźăăă§ă«ćŻŸćŠæłăèæĄăăăăăăăŠăăăăă§ăă
æćŸă«
Sourav Chatterjeeææă«ăăăæ°ăăçžéąäżæ°ăăšăăćŒ·ăăżă€ăă«ă«ćœăăȘăăźçŽ æŽăăăè«æă ăŁăăźă§ăŻăȘăă§ăăăăă
ăăźèšäșăçæ§ăźçè§Łăźäžć©ă«ăȘăăŸăăăćčžăă§ăă







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