Yuav ua li cas xam cov outliers?

2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07

Yuav Ua Li Cas Pom Cov Neeg Tawm Tsam Siv Qhov Sib Txawv Sib Txawv (IQR)

1. Kauj Ruam 1: Nrhiav IQR, Q₁(25 feem pua) thiab Q_{3(75 feem pua). …}
2. Kauj Ruam 2: Muab IQR koj pom hauv Kauj Ruam 1 los ntawm 1.5: …
3. Kauj Ruam 3: Ntxiv cov nyiaj koj pom hauv Kauj Ruam 2 rau Q_{3 los ntawm Kauj Ruam 1: …}
4. Kauj Ruam 3: Tshem cov nyiaj koj pom hauv Kauj Ruam 2 ntawm Q_{1 los ntawm Kauj Ruam 1:}

Yuav ua li cas thiaj nrhiav tau cov neeg tawm?

Determining Outliers

Multiplying the interquartile range (IQR) by 1.5 yuav muab peb txoj hauv kev los txiav txim seb tus nqi twg yog qhov outlier. Yog tias peb rho tawm 1.5 x IQR los ntawm thawj lub quartile, txhua cov ntaub ntawv tseem ceeb uas tsawg dua tus lej no raug suav tias yog outliers.

Txoj cai 1.5 IQR yog dab tsi?

Ntxiv 1.5 x (IQR) rau qhov thib peb quartile. Ib tus lej ntau dua qhov no yog qhov xav tau qhov tseeb. Tshem tawm 1.5 x (IQR) los ntawm thawj quartile. Txhua tus lej tsawg dua qhov no yog qhov xav tau qhov tseeb.

1.5 txoj cai yog dab tsi rau kev txiav txim siab outliers?

Tus nqi yog xav tias yuav yog qhov muaj peev xwm outlier yog tias nws tsawg dua (1.5) (IQR) qis dua thawj lub quartile lossis ntau dua (1.5)(IQR) saum toj thib peb quartile. Muaj peev xwm outliers ib txwm xav tau kev tshawb nrhiav ntxiv.

txoj cai outlier yog dab tsi?

Raws li "txoj cai ntawm tus ntiv tes xoo", tus nqi siab heev yog suav tias yog qhov outlier yog tias nws yog tsawg kawg yog 1.5 interquartile ranges hauv qab thawjquartile (Q1), los yog tsawg kawg yog 1.5 interquartile ranges saum toj peb quartile (Q3). …