ggplot2

Thisisaneweditiontotheclassicbookbyggplot2creatorHadleyWickham.ggplot2isadatavisualizationpackageforRthathelpsuserscreatedatagraphics，includingthosethataremulti-layered，withease.TheneweditionhighlightscompatibilitywithknitrandRStudio.Withggplot2，it'seasyto：·producehandsome，publication-qualityplots，withautomaticlegendscreatedfromtheplotspecification·superposemultiplelayers(points，lines，maps，tiles，boxplotstonameafew)fromdifferentdatasources，withautomaticallyadjustedcommonscales·addcustomisablesmoothersthatusethepowerfulmodellingcapabilitiesofR，suchasloess，linearmodels，generalisedadditivemodelsandrobustregression·saveanyggplot2plot(orpartthereof)forlatermodificationorreuse·createcustomthemesthatcapturein-houseorjournalstylerequirements，andthatcaneasilybeappliedtomultipleplots·approachyourgraphfromavisualperspective，thinkingabouthoweachcomponentofthedataisrepresentedonthefinalplotThisbookwillbeusefultoeveryonewhohasstruggledwithdisplayingtheirdatainaninformativeandattractiveway.YouwillneedsomebasicknowledgeofR(i.e.youshouldbeabletogetyourdataintoR)，butggplot2isamini-languagespecificallytailoredforproducinggraphics，andyou'lllearneverythingyouneedinthebook.Afterreadingthisbookyou'llbeabletoproducegraphicscustomizedpreciselyforyourproblems，andyou'llfinditeasytogetgraphicsoutofyourheadandontothescreenorpage.