Cov txheej txheem:

Koj yuav txiav txim siab li cas ntawm daim duab histogram?
Koj yuav txiav txim siab li cas ntawm daim duab histogram?

Video: Koj yuav txiav txim siab li cas ntawm daim duab histogram?

Video: Koj yuav txiav txim siab li cas ntawm daim duab histogram?
Video: Cas tsis txiav txim siab By Leekong xiong 2024, Lub peb hlis ntuj
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Plaub txoj hauv kev piav qhia duab seb nws puas yog sib npaug, muaj pes tsawg lub peaks nws muaj, yog tias nws tau tig mus rau sab laug lossis sab xis, thiab seb nws puas zoo ib yam. Ib daim duab nrog ib lub ncov siab hu ua unimodal. Ib qhov siab tshaj ntawm qhov chaw hu ua tswb-puab. Thiab, daim duab nrog ob lub ncov hu ua bimodal.

Tsuas yog li ntawd, koj yuav nyeem cov duab ntawm histogram li cas?

Yuav Txhais Li Cas Tus Qauv Ntawm Cov Ntaub Ntawv Txheeb Ze hauv Histogram

  1. Sib npaug. Ib daim ntawv keeb kwm yog sib npaug yog tias koj txiav nws nruab nrab thiab sab laug thiab sab tes xis zoo ib yam daim iav ntawm ib leeg:
  2. Skewed txoj cai. Ib txoj kab uas hla ntawm txoj kab histogram zoo li lub ntsej muag lopsided, nrog tus Tsov tus tw tawm mus rau sab xis:
  3. Skewed sab laug.

Ib yam nkaus, koj txiav txim siab li cas ntawm kev faib khoom? Cov duab ntawm a faib tau piav qhia los ntawm nws cov naj npawb ntawm qhov siab tshaj thiab los ntawm nws txoj kev muaj symmetry, nws nyiam mus rau qhov muag, lossis nws qhov sib xws. ( Kev faib tawm uas yog skewed muaj ntau cov ntsiab lus npaj rau ntawm ib sab ntawm kab lus tshaj rau lwm qhov.) PEAKS: Cov duab feem ntau tso tawm qhov siab, lossis qhov siab tshaj hauv zos.

Kuj paub, dab tsi yog qhov sib txawv ntawm histogram?

Raug Histogram Cov Duab thiab Lawv Lub Npe Li Cas

  • Skewed Faib. Kev faib khoom tsis sib haum yog asymmetrical vim tias lub ntuj txwv txwv tsis pub muaj txiaj ntsig ntawm ib sab.
  • Ob-Peaked lossis Bimodal.
  • Plateau lossis Multimodal Distribution.
  • Ntug Peak Faib.
  • Kev faib tawm zuag.
  • Txiav los yog Lub Plawv Txiav Txiav.
  • Kev faib zaub mov dev.

Koj yuav ua li cas thiaj paub tias lub cim histogram zoo li lub tswb?

Ib txwm ntxiv cov lus qhia thaum piav qhia qhov tsis sib xws. Histogram C yog symmetric (nws muaj txog tib yam duab ntawm txhua sab). Txawm li cas los xij, tsis yog tag nrho cov ntaub ntawv symmetric muaj tswb duab nyiam Histogram C ua. Tsuav yog lub duab yog kwv yees zoo ib yam ntawm ob sab, tom qab ntawd koj hais tias duab yog symmetric.

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