第68回Tokyo.Rの初心者セッション1:data import/exportのスライドです。
@kilometerBeginneR Session 1-- Data Import / Export --2018.03.03 at Shiodome
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Who
Who @kilometer Postdoc (Ph.D engineering) Animal BehaviorNeuro ImagingMedical EngineeringR ~ 10 years?:
BeginneR Session
Before AfterBeginneR Session
InputOutputToday’s talk??Table data Image data Other formatsIntroduction Summary
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InputOutputDo NOT start from here
InputOutputDo NOT start from hereWhatever…
InputOutputDo NOT start from hereWhatever…123
InputOutputToday’s talk??
Integrated Development EnvironmentRStudio https://www.rstudio.com/ !
Integrated Development EnvironmentRStudio https://www.rstudio.com/
RStudio
ProjectsRStudio
RStudio > Project.H21474836474<:G RStudio7@,R&-%("#+!')0FC,')JA!3?,')6=!("#+!3< RStudio!E1ฤू్தͷ༰Λอ࣋D5921474836472R*-$-QOL!;8/BI > 34UVEJPͬͯͳΜͩʁ 1SPKFDUͬͯͳΜͩ!XBLVUFLBhttps://qiita.com/wakuteka/items/9599bb0a8985d98928d7
RStudio > ProjectR +(.'"&#%"$RStudio)! *-, #%"&34UVEJPͬͯͳΜͩʁ 1SPKFDUͬͯͳΜͩ!XBLVUFLBhttps://qiita.com/wakuteka/items/9599bb0a8985d98928d7
File > New Project… > New Directory > New Projecthogehoge
hogehoge~/Documents/Rhogehoge.Rproj.Rproj.userProject Root DirectoryDouble click!!.RData.RhistoryAuto savedproject informationOpen projectNew!!
~/Documents/Rproject1project2project3project4
InputOutputToday’s talk??Table data Image data Other formats SummaryIntroduction
Table format dataTable data Image data Other formatsIntroduction Summary
Table format dataComma-separated values (.csv)Tab-separated values (.tsv)Space-SVSemicolon-SV…Delimiter-separated valuesorCharacter-SV
Import Table format dataobjectassignment operatorfile pathfunction
~/Documents/import.txtdata or1. set working directory2. then use relative pathMethod②: use absolute pathMethod ①Import Table format data
##Method②: use absolute pathMethod ①: setwd – relative path"#or
prj~/Documents/Rprj.Rprojimport.txtDefault working directory(project root) can use relative pathwithout
Import Table format data
) !() ! ! ( ) ∖# " !( !! ! (( # ! (( # ! ((# " ( ! # " ( ( ( () # ( ( ) (# () # ( ! ! (( ( # ( (# " ( !! ! # ! # ( (() ) ! # ! # ( ("" #) !! ( ( ! (() # ( ( ) ( !) () # ( ( ) (! # # # # # # # ) ,)( !Import Table format data
Usageread.table(file,skip = 0,header = FALSE,nrows = -1,row.names,fileEncoding = "")Import Table format data
cf. R-Tips: 40. http://cse.naro.affrc.go.jp/takezawa/r-tips/r/40.html Import Table format data
"" " ""cf. R-Tips: 40. http://cse.naro.affrc.go.jp/takezawa/r-tips/r/40.htmlImport Table format data
"" " ""cf. R-Tips: 40. # $http://cse.naro.affrc.go.jp/takezawa/r-tips/r/40.htmlImport Table format data# &_"# $# "# "/! # %"
67 1 @y__mattuhttps://github.com/ymattu/TokyoR67Import Table format data
∖ Import Table format dataWrap
Import Table format dataWrappers
Package…{utils}Package{base}Package
PackagePackage PackagePackagePackagePackagePackagePackagePackagePackagePackagePackagePackagePackagePackage
packages
cf. http://rpkg.gepuro.net/cf. https://cran.r-project.org/web/packages/at 2018.02.20
PackageDefault pkgsPackagePackagePackageCRAN GuithubPackagePackagePackagePackagePackagePackagePackagePackage
Import Table format dataDefault installed pkg(optional)Function Install REQUIRED
Import Table format dataList of installed packages
Import Table format data Installation (from CRAN) Usage or
Import Table format dataGlobal environment# Attach {data.table}
Import Table format data Fast!!!Flexible!!!Need installationShould specify: data.table =FALSEAutomatic!!!Simple!!!
object file pathExport Table format dataWrapper
Image dataTable data Image data Other formats SummaryIntroduction
Export image data?
Export image dataUse Graphic Deviceready graphic deviceclose graphic devicedraw graph(s)plotting functionsHigh-levelLow-levelInteractiveBasic Graphics in Rhttp://bcb.dfci.harvard.edu/~aedin/courses/BiocDec2011/2.Plotting.pdf
Export image dataUse Graphic Devicereadyclosedraw High-levelplotting function
hogehoge~/Documents/Rhogehoge.Rprojhoge.pngNew!!
Export image dataGraphic Devices in
ready graphic deviceclose graphic devicedraw graph(s)Image data processingImport & Export image processing
Import image data
Import image data Export image data # not CRAN pkg # low googlability!
Salvador Dalí1904-1989profile of timewikipedia
http://seekr.jp/
Table data Image data Other formatsOther formatsSummaryIntroduction
.xls or .xlsx GJMFQBUITIFFUOBNFPS/P
.json Wrap Wrap
.wav or .mp3
.sas or .dta or .savSAS Stata SPSS
Table data Image data Other formats SummaryIntroduction
Data Import / Export??
Data Import / Export?? packages
Before AfterBeginneR Session ?
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