kab graphs.
histograms/bar charts.
Daim duab twg yog qhov zoo tshaj plaws rau cov ntaub ntawv tsis sib xws?
Cov duab nraaj feem ntau siv rau cov ntaub ntawv tsis sib xws yog:
Frequency distribution tables.
Bar charts.
Histograms.
Pie charts.
Yuav ua li cas koj pom cov ntaub ntawv univariate?
VISUALIZING UNIVARIATE txuas ntxiv DATA:
UNIVARIATE SCATTER PLOT: Qhov no yog qhov sib txawv ntawm kev soj ntsuam / cov txiaj ntsig ntawm tib qhov sib txawv sib xws rau qhov ntsuas / ntsuas tus lej. …
LINE PLOT (nrog cov cim): Ib kab zaj duab xis pom cov ntaub ntawv los ntawm kev sib txuas cov ntaub ntawv cov ntsiab lus ntawm kab ntu. …
STRIP PLOT: …
SWARM PLOT:
Nws yog ib txoj hauv kev los sawv cev cov ntaub ntawv tsis sib xws?
Txoj hauv kev los qhia cov ntaub ntawv tsis sib xws yog daim ntawv sau npe. Kev piav qhia: Cov ntaub ntawv Univariate yog hais txog cov ntaub ntawv uas tsuas muaj qhov sib txawv thiab tuaj yeem ntsuas tau yooj yim lossis sawv cev hauv daim ntawv teev npe.
Puas histogram siv tau rau kev tshuaj ntsuam univariate?
Xaiv lub rooj zaus ntawm qhov sib txawv ntawm qhov ntau thiab cov phiaj xwm ib histogram yooj yim thiab cov histogram cumulative. Cov chav kawm muaj qhov sib npaug. Npaj ib qho yooj yim histogram ntawm cov chav kawm sib npaug thiab cov histogram cumulative.
Pom zoo:
Cov qia hlwb yog cov hlwb tsis sib xws nyob hauv cov meristems ntawm cov nroj tsuag . Cov hlwb tsis sib txawv nyob qhov twg hauv cov nroj tsuag? Cov qia hlwb yog innately undifferentiated hlwb nyob rau hauv the meristems ntawm cov nroj tsuag.
Piv txwv li, tom qab mus koom kev ua si baseball, tej zaum koj yuav hais kom koj paub tias pab neeg yeej yuav yeej ua ntej. Cov tub ntxhais kawm theem siab thiab tsev kawm qib siab feem ntau ntsib kev tsis pom kev tsis zoo thaum lawv kawm. Thaum lawv nyeem lawv cov ntawv kawm, cov ntaub ntawv yuav zoo li yooj yim .
Mua ob ntu ntawm txhua feem los ntawm tus lej ntawm lwm feem, yog tias tus lej sib txawv. Piv txwv li, yog tias koj ntxiv 1/3 thiab 2/5, muab ob qho tib si 1 thiab 3 los ntawm 5, ua cov feem 5/15. Tom qab ntawd muab ob qho tib si 2 thiab 5 los ntawm 3 (tus denominator ntawm lwm feem), ua tus feem 6/15 .
Kev muaj peev xwm tawm tsam yam tsis muaj qhov kawg ntawm kev sau ntawv vs kev tuaj yeem cuam tshuam rau lwm tus neeg kuj yog qhov sib txawv. Qhov tseem ceeb Invisibility yog "qhov tseeb nrhiav / nkaum / mus ncig tsis pom" qhov twg Qhov Kev Pom Zoo Tshaj Plaws yog ntau ntawm kev sib ntaus sib tua Puas pom qhov tsis pom kev ua haujlwm ntawm kev pom tsis pom ntau dua?
Nyob rau hauv qhov tsis ncaj ncees PN-kho qhov kev sib tshuam tam sim no ntawm qhov sib npaug yog zero, vim tias sib npaug tab sis cov neeg nqa khoom hla hla kev sib tshuam . Thaum pn kev sib tshuam tsis ncaj ncees qhov kev sib tshuam tam sim no ntawm qhov sib npaug yog?
