In r trimmed txhais tau tias?

Cov txheej txheem:

In r trimmed txhais tau tias?
In r trimmed txhais tau tias?
Anonim

8 Teb. R code rau cov ncej no yog nyob rau ntawm github. Trimmed txhais tau tias yog tus kwv yees muaj zog ntawm lub hauv paus nyiam. Txhawm rau xam qhov kev txiav txiav, peb tshem tawm qhov kev soj ntsuam ua ntej ntawm txhua sab ntawm kev faib tawm, thiab nruab nrab qhov kev soj ntsuam ntxiv.

Lim ua dab tsi hauv kev ua haujlwm hauv R?

tus lej vector yuav tsum tau muab txiav. luas. cov feem (0 mus rau 0.5) ntawm kev soj ntsuam yuav tsum tau txiav los ntawm txhua kawg ntawm x. Qhov tseem ceeb ntawm trim sab nraum qhov ntau yam (thiab 1 nws tau txhais raws li tus naj npawb ntawm cov ntsiab lus yuav raug txiav tawm ntawm txhua tus Tsov tus tw ntawm x.

5% trimmed txhais li cas?

Ib qho txhais tau tias yog ib qho kev xaiv hauv kev piav qhia cov txheeb cais hauv ntau lub khoos phis tawj. … Piv txwv li, nrog 5% trimmed txhais tau tias, qis tshaj 5% thiab siab tshaj 5% ntawm cov ntaub ntawv tsis suav nrog. Qhov nruab nrab yog xam los ntawm qhov seem 90% ntawm cov ntaub ntawv cov ntsiab lus.

qauv txiav txiav txhais li cas?

Ib qho txhais tau hais tias yog txhais tau hais tias txiav los ntawm x%, qhov twg x yog qhov suav ntawm feem pua ntawm kev soj ntsuam tshem tawm ntawm ob sab sauv thiab sab qis. … Piv txwv li, ib qho trimmed txhais tau tias ntawm 3% yuav tshem tawm qhov qis tshaj thiab siab tshaj 3% ntawm qhov tseem ceeb, tawm hauv qhov txhais tau tias yuav suav los ntawm 94% ntawm cov ntaub ntawv seem.

Koj pom 15% txhais tau li cas?

Hauv qhov piv txwv saum toj no, yog tias peb xav tau 15% trimmed txhais tau tias, ��=0.15, n=10, k=n��=1.5. Kev suav yield k muaj ib feem 1, thiab ib feem 0.5. R=n-2k=10-21.5=10-3=7.

Pom zoo:

Nthuav cov khoom
Koj puas tuaj yeem mus ntsib dagestan?
Nyeem ntxiv

Koj puas tuaj yeem mus ntsib dagestan?

Dagestan, officially lub koom pheej ntawm Dagestan yog ib lub koom pheej ntawm Russia nyob rau hauv lub Caspian Hiav txwv, nyob rau hauv lub North Caucasus ntawm Eastern Europe. Nws nyob rau sab qaum teb ntawm Greater Caucasus, thiab yog ib feem ntawm North Caucasian Federal District.

Xab npum suds siv rau dab tsi?
Nyeem ntxiv

Xab npum suds siv rau dab tsi?

A xab npum suds enema yog ib txoj hauv kev kho cem quav. Qee tus neeg kuj siv nws los kho fecal incontinence lossis tshem lawv cov quav ua ntej kev kho mob. Thaum muaj ntau hom enemas, xab npum suds enema tseem yog ib qho ntawm ntau hom, tshwj xeeb tshaj yog rau cem quav.

Puas yog qhov kev xeem thib ob?
Nyeem ntxiv

Puas yog qhov kev xeem thib ob?

Qhov thib ob derivative yuav yog siv los txiav txim siab hauv zos extrema ntawm kev ua haujlwm raws li qee yam xwm txheej. Yog tias qhov kev ua haujlwm muaj qhov tseem ceeb rau qhov twg f′(x)=0 thiab qhov thib ob derivative yog qhov zoo ntawm qhov no, ces f muaj qhov tsawg kawg nkaus hauv zos ntawm no.