Yuav ua li cas koj teeb tsa kab regression hauv Excel?
Yuav ua li cas koj teeb tsa kab regression hauv Excel?

Video: Yuav ua li cas koj teeb tsa kab regression hauv Excel?

Video: Yuav ua li cas koj teeb tsa kab regression hauv Excel?
Video: Tsis Muaj Peev Xwm Yuav Ua Li Cas 2024, Kaum ib hlis
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Peb ua tau chart ib regression hauv Excel byhighlighting cov ntaub ntawv thiab charting nws li ib tug scatter zaj . Taub a kab regression , xaiv "Layout" los ntawm qhov" Daim duab Cov cuab yeej" ntawv qhia zaub mov. Nyob rau hauv lub dialog box, xaiv "Trendline"thiab ces "Linear Trendline".2 tus nqi, xaiv "Ntau Trendline Options" los ntawm "Trendline menu.

Hais txog qhov no, ua li cas koj teeb tsa qhov regression hauv Excel?

Tsim koj regression nkhaus by ua ib tawg zaj . Ntxiv cov kab regression los ntawm kev xaiv "Layout" tab hauv "ChartTools" ntawv qhia zaub mov. Tom qab ntawd xaiv " Trendline "thiab xaiv qhov "Linear Trendline ” xaiv, thiab cov kab yuav tshwm raws li qhia saum toj no.

Tom qab ntawd, lo lus nug yog, yuav ua li cas kuv ntxiv ib kab rau ib qho kev faib tawm hauv Excel? Yuav ua li cas ntxiv cov kab ntsug rau scatter daim phiaj

  1. Xaiv koj cov ntaub ntawv qhov chaw thiab tsim cov phiaj xwm tawg hauv qhov qub (Inset tab> Chats group> Scatter).
  2. Nkag mus rau cov ntaub ntawv rau kab ntsug hauv cov kab sib cais.
  3. Txoj cai-nias nyob qhov twg hauv koj daim ntawv qhia tawm thiab xaiv SelectData… hauv cov ntawv qhia zaub mov pop-up.

Yuav ua li cas ua R Squared hauv Excel?

Qhov sib txawv coefficient, r tuaj yeem suav tau los ntawm kev siv lub luag haujlwm CORREL. R squared tuaj yeem suav tau los ntawm kev sib tw r , los yog tsuas yog siv lub functionRSQ. Nyob rau hauv thiaj li yuav xam R squared , peb yuav tsum muaj ob cov ntaub ntawv sib txuas rau ob qhov sib txawv.

Yuav ua li cas koj xam qhov regression equation?

Cov kev sib npaug rau cov regression coefficient uas koj yuav pom ntawm AP Statistics xeem yog: B1 = b1 = Σ [(xi -x)(yi – y)] / Σ [(xi -x)2].

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