Cov txheej txheem:

PCH txhais li cas hauv R?
PCH txhais li cas hauv R?

Video: PCH txhais li cas hauv R?

Video: PCH txhais li cas hauv R?
Video: НЕФТЬ и ЭКОЛОГИЯ. Спасут ли нас электромобили? 2024, Kaum ib hlis
Anonim

pch stands rau plotting cim.

Cov lus nug tseem yog, Cex txhais li cas hauv R?

ceg . tus lej qhia tus lej los ntawm qhov uas cov ntawv sau thiab cov cim yuav tsum tau ntsuas txheeb ze rau lub neej ntawd.

Tsis tas li ntawd, koj yuav ua li cas kom pom qhov pom tseeb hauv R? Ua pob tshab xim hauv R Tsis tas li ntawd, koj tau teeb tsa tus nqi alpha (kuj 0–255), uas teev cov pob tshab (0 ua tag nrho pob tshab thiab 255 yog "khoom"). Koj kuj yuav tsum tau teeb tsa tus nqi xim siab tshaj plaws, kom cov lus txib tuaj yeem txheeb koj tus nqi alpha mus rau qib ntawm pob tshab.

Lwd mean in R?

kab dav rau cov ntsiab lus, defaults mus rau ib tug rau kab, los yog yog hais tias tsis tau teem, rau par(" lwd "). xjust. yuav ua li cas cov lus dab neeg yuav tsum ncaj ncees txheeb ze rau cov lus dab neeg x qhov chaw. Tus nqi ntawm 0 txhais tau tias sab laug justified, 0.5 txhais tau tias centered thiab 1 txhais tau tias txoj cai ncaj ncees.

Kuv yuav ua li cas sau ib lub ntsiab lus hauv R?

Cov lus sib cav hauv qab no tuaj yeem siv los hloov xim thiab qhov loj ntawm cov ntsiab lus:

  1. col: xim (code lossis lub npe) siv rau cov ntsiab lus.
  2. bg: keeb kwm yav dhau (lossis sau) xim rau cov cim qhib cov cim. Nws tuaj yeem siv tau thaum pch = 21:25.
  3. cex: qhov loj ntawm pch cim.
  4. lwd: line width for the plotting symbols.

Pom zoo: