RのソースコードをLaTeX文書に記述する

RのソースコードをLaTeX文書に記述するには、listings.styを使います。listings.styを使うと、Rソースファイルを構文強調して表示することができます。 R言語の定義は、lstlang3.sty に書かれています。


listings.styの利用例

listings.styを使うと見出しをつけたり、任意の間隔で行番号をつけたり、さまざまな種類の枠をつけたり、プログラムコードのリスト(目次)を作成したり、いろいろなことができます。ここでは、単純に表示した例を示します。

利用例1

まずはデフォルトのままで表示する。

\documentclass{jsarticle}
\usepackage{listings}
\begin{document}
\begin{lstlisting}[language=R]
 boa.acf <- function(link, lags)
 # Brian Smith has produced the BOA (Bayesian Output Analysis) suite of
 # S-plus/R functions for analysis of MCMC output, which reads in output
 # from Classic BUGS or WinBUGS. Version 0.5.0 is now available.
 {
   pnames <- boa.pnames(link)
   result <- matrix(NA, nrow = ncol(link), ncol = length(lags),
                    dimnames = list(pnames, paste("Lag", lags)))
   lags <- lags[lags <= (nrow(link) - 1)]
   n.lags <- length(lags)
   if(n.lags > 0) {
      idx <- 1:n.lags
      lag.max <- max(lags)
      for(i in pnames) {
         result[i, idx] <- acf(link[, i], lag.max = lag.max,
                               plot = FALSE)$acf[lags + 1]
      }
   }
 
   return(result)
 }
 \end{lstlisting}
\end{document}

出力結果 listings01.png

利用例2

タイプライタ体にしてみる。デフォルトでは行間が空きすぎなので半分に狭くする。

\documentclass{jsarticle}
\usepackage{listings}
\lstset{%
  language=R,
  basicstyle={\ttfamily},
  breaklines=true,
  columns=[l]{fullflexible},
  lineskip=-0.5zw,
}
\begin{document}
\begin{lstlisting}
 boa.acf <- function(link, lags)
 # Brian Smith has produced the BOA (Bayesian Output Analysis) suite of
 # S-plus/R functions for analysis of MCMC output, which reads in output
 # from Classic BUGS or WinBUGS. Version 0.5.0 is now available.
 {
   pnames <- boa.pnames(link)
   result <- matrix(NA, nrow = ncol(link), ncol = length(lags),
                    dimnames = list(pnames, paste("Lag", lags)))
   lags <- lags[lags <= (nrow(link) - 1)]
   n.lags <- length(lags)
   if(n.lags > 0) {
      idx <- 1:n.lags
      lag.max <- max(lags)
      for(i in pnames) {
         result[i, idx] <- acf(link[, i], lag.max = lag.max,
                               plot = FALSE)$acf[lags + 1]
      }
   }
 
   return(result)
 }
 \end{lstlisting}
\end{document}

出力結果 listings02.png

利用例3

カラー表示にしてみる。LaTeXでプレゼンテーションスライドを作成するときには、是非ともカラー表示にしたい。

\documentclass{jsarticle}
\usepackage[dvips]{color}
\usepackage{listings}
\definecolor{Brown}{cmyk}{0,0.81,1,0.60}
\definecolor{OliveGreen}{cmyk}{0.64,0,0.95,0.40}
\definecolor{CadetBlue}{cmyk}{0.62,0.57,0.23,0}
\lstset{%
  language=R,
  stringstyle={\ttfamily},
  commentstyle={\itshape\color{Brown}},
  identifierstyle={\ttfamily\color{CadetBlue}\bfseries}, 
  keywordstyle={\ttfamily\color{OliveGreen}},
  basicstyle={\ttfamily},
  breaklines=true,
  columns=[l]{fullflexible},
  lineskip=-0.5zw,
  showstringspaces=ture
}
\begin{document}
\begin{lstlisting}
boa.acf <- function(link, lags)
# Brian Smith has produced the BOA (Bayesian Output Analysis) suite of
# S-plus/R functions for analysis of MCMC output, which reads in output
# from Classic BUGS or WinBUGS. Version 0.5.0 is now available.
{
  pnames <- boa.pnames(link)
  result <- matrix(NA, nrow = ncol(link), ncol = length(lags),
                   dimnames = list(pnames, paste("Lag", lags)))
  lags <- lags[lags <= (nrow(link) - 1)]
  n.lags <- length(lags)
  if(n.lags > 0) {
     idx <- 1:n.lags
     lag.max <- max(lags)
     for(i in pnames) {
        result[i, idx] <- acf(link[, i], lag.max = lag.max,
                              plot = FALSE)$acf[lags + 1]
     }
  }

  return(result)
}
\end{lstlisting}
\end{document}

出力結果 listings03.png

利用例4

さらにESS風(VineLinux標準のEmacsカラーテーマにess-modeを読み込んだ感じ)にしてみる。

\documentclass{jsarticle}
\usepackage{listings}
\usepackage[dvips]{color}
\lstset{%
  language=R,
  frame=shadowbox,
  backgroundcolor={\color[cmyk]{0.777,0.777,0,0.561}},
  stringstyle={\ttfamily\color[cmyk]{0,0.51,0.843,0}},
  commentstyle={\color[cmyk]{0,0.51,0.843,0}},
  identifierstyle={\ttfamily\color{white}}, 
  keywordstyle={\ttfamily\color[cmyk]{1,0,0,0}},
  classoffset=2,
  basicstyle={\ttfamily\color{white}},
  breaklines=true,
  columns=[l]{fullflexible},
  lineskip=-0.5zw,
  morekeywords={FALSE,TRUE,NA},
  keywordstyle={\color[cmyk]{0.371,0,0.371,0.016}},
  classoffset=0,
  morekeywords={<-},
  keywordstyle={\color[cmyk]{0.525,0,0.157,0}},
  classoffset=1,
  numbers=left,
  stepnumber=5,
  numberstyle={\scriptsize\color{black}},
  numbersep=1em,
  xleftmargin=1zw,
  xrightmargin=1zw,
  framerule=2pt,
  rulecolor={\color[gray]{.85}},
}
\begin{document}
\begin{lstlisting}
 boa.acf <- function(link, lags)
 # Brian Smith has produced the BOA (Bayesian Output Analysis) suite of
 # S-plus/R functions for analysis of MCMC output, which reads in output
 # from Classic BUGS or WinBUGS. Version 0.5.0 is now available.
 {
   pnames <- boa.pnames(link)
   result <- matrix(NA, nrow = ncol(link), ncol = length(lags),
                    dimnames = list(pnames, paste("Lag", lags)))
   lags <- lags[lags <= (nrow(link) - 1)]
   n.lags <- length(lags)
   if(n.lags > 0) {
      idx <- 1:n.lags
      lag.max <- max(lags)
      for(i in pnames) {
         result[i, idx] <- acf(link[, i], lag.max = lag.max,
                               plot = FALSE)$acf[lags + 1]
      }
   }
 
   return(result)
 }
 \end{lstlisting}
\end{document}

出力結果 listings04.png

色強調するキーワードがess-modeと微妙に違うけれども、このあたりで妥協。

lstlang3.styにおけるRの定義

Rのキーワードの定義は下記のようになっています。ここにリストされていない単語は、TeXソースの中で適宜追加すれば(つまり、language{R}を再定義する)キーワード扱いになります。

\lst@definelanguage{R}%
 {keywords={abbreviate,abline,abs,acos,acosh,action,add1,add,%
     aggregate,alias,Alias,alist,all,anova,any,aov,aperm,append,apply,%
     approx,approxfun,apropos,Arg,args,array,arrows,as,asin,asinh,%
     atan,atan2,atanh,attach,attr,attributes,autoload,autoloader,ave,%
     axis,backsolve,barplot,basename,besselI,besselJ,besselK,besselY,%
     beta,binomial,body,box,boxplot,break,browser,bug,builtins,bxp,by,%
     c,C,call,Call,case,cat,category,cbind,ceiling,character,char,%
     charmatch,check,chol,chol2inv,choose,chull,class,close,cm,codes,%
     coef,coefficients,co,col,colnames,colors,colours,commandArgs,%
     comment,complete,complex,conflicts,Conj,contents,contour,%
     contrasts,contr,control,helmert,contrib,convolve,cooks,coords,%
     distance,coplot,cor,cos,cosh,count,fields,cov,covratio,wt,CRAN,%
     create,crossprod,cummax,cummin,cumprod,cumsum,curve,cut,cycle,D,%
     data,dataentry,date,dbeta,dbinom,dcauchy,dchisq,de,debug,%
     debugger,Defunct,default,delay,delete,deltat,demo,de,density,%
     deparse,dependencies,Deprecated,deriv,description,detach,%
     dev2bitmap,dev,cur,deviance,off,prev,,dexp,df,dfbetas,dffits,%
     dgamma,dgeom,dget,dhyper,diag,diff,digamma,dim,dimnames,dir,%
     dirname,dlnorm,dlogis,dnbinom,dnchisq,dnorm,do,dotplot,double,%
     download,dpois,dput,drop,drop1,dsignrank,dt,dummy,dump,dunif,%
     duplicated,dweibull,dwilcox,dyn,edit,eff,effects,eigen,else,%
     emacs,end,environment,env,erase,eval,equal,evalq,example,exists,%
     exit,exp,expand,expression,External,extract,extractAIC,factor,%
     fail,family,fft,file,filled,find,fitted,fivenum,fix,floor,for,%
     For,formals,format,formatC,formula,Fortran,forwardsolve,frame,%
     frequency,ftable,ftable2table,function,gamma,Gamma,gammaCody,%
     gaussian,gc,gcinfo,gctorture,get,getenv,geterrmessage,getOption,%
     getwd,gl,glm,globalenv,gnome,GNOME,graphics,gray,grep,grey,grid,%
     gsub,hasTsp,hat,heat,help,hist,home,hsv,httpclient,I,identify,if,%
     ifelse,Im,image,\%in\%,index,influence,measures,inherits,install,%
     installed,integer,interaction,interactive,Internal,intersect,%
     inverse,invisible,IQR,is,jitter,kappa,kronecker,labels,lapply,%
     layout,lbeta,lchoose,lcm,legend,length,levels,lgamma,library,%
     licence,license,lines,list,lm,load,local,locator,log,log10,log1p,%
     log2,logical,loglin,lower,lowess,ls,lsfit,lsf,ls,machine,Machine,%
     mad,mahalanobis,make,link,margin,match,Math,matlines,mat,matplot,%
     matpoints,matrix,max,mean,median,memory,menu,merge,methods,min,%
     missing,Mod,mode,model,response,mosaicplot,mtext,mvfft,na,nan,%
     names,omit,nargs,nchar,ncol,NCOL,new,next,NextMethod,nextn,%
     nlevels,nlm,noquote,NotYetImplemented,NotYetUsed,nrow,NROW,null,%
     numeric,\%o\%,objects,offset,old,on,Ops,optim,optimise,optimize,%
     options,or,order,ordered,outer,package,packages,page,pairlist,%
     pairs,palette,panel,par,parent,parse,paste,path,pbeta,pbinom,%
     pcauchy,pchisq,pentagamma,persp,pexp,pf,pgamma,pgeom,phyper,pico,%
     pictex,piechart,Platform,plnorm,plogis,plot,pmatch,pmax,pmin,%
     pnbinom,pnchisq,pnorm,points,poisson,poly,polygon,polyroot,pos,%
     postscript,power,ppoints,ppois,predict,preplot,pretty,Primitive,%
     print,prmatrix,proc,prod,profile,proj,prompt,prop,provide,%
     psignrank,ps,pt,ptukey,punif,pweibull,pwilcox,q,qbeta,qbinom,%
     qcauchy,qchisq,qexp,qf,qgamma,qgeom,qhyper,qlnorm,qlogis,qnbinom,%
     qnchisq,qnorm,qpois,qqline,qqnorm,qqplot,qr,Q,qty,qy,qsignrank,%
     qt,qtukey,quantile,quasi,quit,qunif,quote,qweibull,qwilcox,%
     rainbow,range,rank,rbeta,rbind,rbinom,rcauchy,rchisq,Re,read,csv,%
     csv2,fwf,readline,socket,real,Recall,rect,reformulate,regexpr,%
     relevel,remove,rep,repeat,replace,replications,report,require,%
     resid,residuals,restart,return,rev,rexp,rf,rgamma,rgb,rgeom,R,%
     rhyper,rle,rlnorm,rlogis,rm,rnbinom,RNGkind,rnorm,round,row,%
     rownames,rowsum,rpois,rsignrank,rstandard,rstudent,rt,rug,runif,%
     rweibull,rwilcox,sample,sapply,save,scale,scan,scan,screen,sd,se,%
     search,searchpaths,segments,seq,sequence,setdiff,setequal,set,%
     setwd,show,sign,signif,sin,single,sinh,sink,solve,sort,source,%
     spline,splinefun,split,sqrt,stars,start,stat,stem,step,stop,%
     storage,strstrheight,stripplot,strsplit,structure,strwidth,sub,%
     subset,substitute,substr,substring,sum,summary,sunflowerplot,svd,%
     sweep,switch,symbol,symbols,symnum,sys,status,system,t,table,%
     tabulate,tan,tanh,tapply,tempfile,terms,terrain,tetragamma,text,%
     time,title,topo,trace,traceback,transform,tri,trigamma,trunc,try,%
     ts,tsp,typeof,unclass,undebug,undoc,union,unique,uniroot,unix,%
     unlink,unlist,unname,untrace,update,upper,url,UseMethod,var,%
     variable,vector,Version,vi,warning,warnings,weighted,weights,%
     which,while,window,write,\%x\%,x11,X11,xedit,xemacs,xinch,xor,%
     xpdrows,xy,xyinch,yinch,zapsmall,zip},%
  otherkeywords={!,!=,~,$,*,\&,\%/\%,\%*\%,\%\%,<-,<<-,_,/},%
  alsoother={._$},%
  sensitive,%
  morecomment=[l]\#,%
  morestring=[d]",%
  morestring=[d]'% 2001 Robert Denham
 }%



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Last-modified: 2015-03-01 (日) 01:15:59 (1719d)