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# Read a file called file_name and create a data frame the following way
# (1) Parse all the lines of the form
# '# key = value'
# (2) Each unique key gets a column
data_frame_from_key_value_pairs <- function(file_name){
lines <- readLines(file_name)
lines <- lines[grep("^#.*=.*",lines)]
d <- gsub("^#","",gsub("[[:space:]]","",unlist(strsplit(lines,split="="))))
keys <- unique(d[seq(1,length(d),2)])
keynr <- length(keys)
dd <- d[seq(2,length(d),2)]
dim(dd) <- c( keynr, length(dd)/keynr )
data <- data.frame(t(dd))
names(data) <- keys
for (col in keys){
t <- as.character(data[[col]])
suppressWarnings( tt <- as.numeric(t) )
if ( length( tt[is.na(tt)] ) == 0 ){ # if there are not NA in tt
data[[col]] <- tt
}
}
data
}
# Takes a vector v=(v1,v2,v3,....)
# and returns a vector which repeats
# each element x times. So for two we get
# (v1,v1,v2,v2,v3,v3....)
expand_vec <- function( v, x ){
v <- rep(v,x)
dim(v) <- c(length(v)/x,x)
v <- t(v)
dim(v) <- c(1,nrow(v)*ncol(v))
v
}
# Takes a vector v=(v1,v2,v3,....)
# and returns a vector which appends x-1
# NA after each value. So for x=2 we get
# (v1,NA,v2,NA,v3,NA....)
expand_vec_by_NA <- function( v, x ){
v <- c(v, rep(NA,length(v)*(x-1)))
dim(v) <- c(length(v)/x,x)
v <- t(v)
dim(v) <- c(1,nrow(v)*ncol(v))
v
}
format_str_fixed_width <- function(x, width=4){
sx <- as.character(x)
if ( nchar(sx) < width ){
for (i in 1:(width-nchar(sx))){
sx <- paste("\\D",sx, sep="")
}
}
sx
}
# Check if package is installed
# found at: http://r.789695.n4.nabble.com/test-if-a-package-is-installed-td1750671.html#a1750674
is.installed <- function(mypkg) is.element(mypkg, installed.packages()[,1])
sanitize_column <- function(column){
column <- gsub("_","\\\\_",column)
column <- gsub(" >",">",column)
column <- gsub("<","{\\\\textless}",column)
column <- gsub(">","{\\\\textgreater}",column)
column <- gsub(",",", ",column)
}
# tranforms a vector of index ids to a vector which contains the
# corresponding latex names.
# Note: each id should only appear once in the input vector
mapids <- function(ids, mapit){
as.character(unlist(mapit[ids]))
}
id2latex <- function(config_file, latexcol, idcol=1){
index_info <- read.csv(config_file, sep=";",header=F, comment.char="#")
res <- data.frame( t(as.character(index_info[[latexcol]])), stringsAsFactors=F )
names(res) <- as.character(index_info[[idcol]])
res
}
idAndValue <- function(config_file, valuecol, idcol=1){
res <- read.csv(config_file, sep=";",header=F, comment.char="#")
res[c(idcol, valuecol)]
}
readConfig <- function(config_file, mycolnames){
config <- read.csv(config_file, sep=";",header=F, comment.char="#",stringsAsFactors=F)
rownames(config) <- config[[1]]
colnames(config) <- mycolnames
config
}
# Creates a LaTeX table containing index names and sdsl type
# config_file The index.config storing the type information
# index_ids Filter the index.config entires with this index ids
# id_col Column `id_col` contains the IDs
# name_col Column `name_col` contains the latex names
# type_col Column `type_col` contains the type
typeInfoTable <- function(config_file, index_ids, id_col=1, name_col=3, type_col=2){
x <- read.csv(config_file, sep=";", header=F, comment.char="#",stringsAsFactors=F)
rownames(x) <- x[[id_col]]
x <- x[index_ids,] # filter
sdsl_type <- sanitize_column(x[[type_col]])
sdsl_name <- x[[name_col]]
res <- "
\\renewcommand{\\arraystretch}{1.3}
\\begin{tabular}{@{}llp{10cm}@{}}
\\toprule
Identifier&&sdsl type\\\\ \\cmidrule{1-1}\\cmidrule{3-3}"
res <- paste(res, paste(sdsl_name,"&&\\footnotesize\\RaggedRight\\texttt{",sdsl_type,"}\\\\",sep="",collapse=" "))
res <- paste(res,"
\\bottomrule
\\end{tabular}")
}
# returns x concatenated with x reversed
x_for_polygon <- function(x){
c( x, rev(x) )
}
# return y concatenated with rep(0, length(y))
y_for_polygon <- function(y){
c( y, rep(0, length(y)) )
}
# ncols Number of columns in the figure
# nrows Number of rows in the figure
multi_figure_style <- function(nrows, ncols){
par(mfrow=c(nrows, ncols))
par(las=1) # axis labels always horizontal
par(yaxs="i") # don't add +- 4% to the yaxis
par(xaxs="i") # don't add +- 4% to the xaxis
# distance (x1,x2,x3) of axis parts from the axis. x1=axis labels or titles
# x2=tick marks, x3=tick marks symbol
par(mgp=c(2,0.5,0))
# length of tick mark as a fraction of the height of a line of text, default=-0.5
par(tcl=-0.2)
par(oma=c(2.5,2.7,0,0.2)) # outer margin (bottom,left,top,right)
par(mar=c(1,1,1.5,0.5)) # inner margin (bottom,left,top,right)
}
# Draw the heading of diagrams
# text Text which should be displayed in the heading
draw_figure_heading <- function(text){
# scale Y
SY <- function(val){ if( par("ylog") ){ 10^val } else { val } }
SX <- function(val){ if( par("xlog") ){ 10^val } else { val } }
rect(xleft=SX(par("usr")[1]), xright=SX(par("usr")[2]),
ybottom=SY(par("usr")[4]), ytop=SY(par("usr")[4]*1.1) ,xpd=NA,
col="grey80", border="grey80" )
text(labels=text,y=SY(par("usr")[4]*1.02), adj=c(0.5, 0),x=SX((par("usr")[1]+par("usr")[2])/2),xpd=NA,cex=1.4)
}
print_info <- function(){
Sys.info("release")
Sys.info("sysname")
Sys.info("version")
Sys.info("nodename")
Sys.info("machine")
Sys.info("login")
Sys.info("user")
Sys.info("effective_user")
}
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