[R] grid.table + splom: how to nicely align panel entries
Marius Hofert
m_hofert at web.de
Thu Apr 21 02:19:16 CEST 2011
Dear Baptiste,
*fantastic*, thank you very much, *precisely* what I was looking for!
Cheers,
Marius
On 2011-04-21, at 01:31 , baptiste auguie wrote:
> On 21 April 2011 09:54, Marius Hofert <m_hofert at web.de> wrote:
>> Dear Baptiste,
>>
>> great, many thanks!
>> One last thing: Do you know why the gpar(cex=0.1) argument is ignored?
>>
>
> Yes – the theme overrides it, you need to include it in the theme.list().
>
> baptiste
>
>
>> Cheers,
>>
>> Marius
>>
>> library(lattice)
>> library(grid)
>> library(gridExtra)
>>
>> ## function for correct digit alignment
>> align.digits <- function(l){
>> sp <- strsplit(as.character(l), "\\.")
>> chars <- sapply(sp, function(x) nchar(x)[1])
>> n <- max(chars)-chars
>> l0 <- sapply(n, function(x) paste(rep("0", x), collapse=""))
>> labels <- sapply(seq_along(sp), function(i){
>> point <- if(is.na(sp[[i]][2])) NULL else quote(.)
>> as.expression(bquote(phantom(.(l0[i])) * .(sp[[i]][1]) * .(point) * .(sp[[i]][2]) ))})
>> }
>>
>> ## splom with customized lower.panel
>> ## x: data
>> ## arr: array of containing expressions which are plotted in a grid table in the
>> ## lower panel (i,j)]
>> splom2 <- function(x, arr, nr){
>> ## function for creating table
>> table.fun <- function(vec){ # vector containing lines for table for *one* panel
>> grid.table(matrix(vec, nrow=nr, byrow=TRUE),
>> parse=TRUE, # parse labels as expressions
>> gpar.coretext=gpar(cex=0.1), # text size
>> theme=theme.list(
>> gpar.corefill=gpar(fill=NA, col=NA), # make bg transparent
>> core.just="left", padding.h=unit(0,"mm")) # justification of labels
>> )
>> }
>> ## splom
>> splom(x, varname.cex=1.2,
>> superpanel=function(z, ...){
>> panel.pairs(z, upper.panel=panel.splom, lower.panel=function(i,j){
>> table.fun(arr[i,j,])
>> }, ...)
>> })
>> }
>>
>> ## create data and array of expressions
>> d <- 4
>> x <- matrix(runif(d*1000), ncol=d) # data to be plotted with splom
>> nr <- 3 # number of rows for the panel entries
>> nc <- 3 # number of cols for the panel entries
>> arr <- array(list(rep(NA,nr*nc)), dim=c(d,d,nr*nc), dimnames=c("i","j","val")) # array containing the table entries per panel
>> f <- function(i,j) (i+j)*10 # dummy function
>> eq <- "phantom()==phantom()"
>> for(i in 1:d){
>> for(j in 1:d){
>> numbers <- align.digits(c(round(pi,4), round(pi, 6), f(i,j)))
>> arr[i,j,] <- c("alpha", eq, numbers[1],
>> "italic(bbb)", eq, numbers[2],
>> "gamma", eq, numbers[3])
>> }
>> }
>>
>> ## plot
>> splom2(x, arr, nr=3)
>>
>>
>> On 2011-04-20, at 22:38 , baptiste auguie wrote:
>>
>>> Try this,
>>>
>>> align.digits = function(l)
>>> {
>>>
>>> sp <- strsplit(as.character(l), "\\.")
>>> chars <- sapply(sp, function(x) nchar(x)[1])
>>> n = max(chars) - chars
>>> l0 = sapply(n, function(x) paste(rep("0", x), collapse=""))
>>> labels = sapply(seq_along(sp), function(i) {
>>> point <- if(is.na(sp[[i]][2])) NULL else quote(.)
>>> as.expression(bquote(phantom(.(l0[i])) * .(sp[[i]][1])*
>>> .(point)*.(sp[[i]][2]) ))})
>>>
>>> return(labels)
>>> }
>>>
>>>
>>> library(gridExtra)
>>>
>>> d <- align.digits(l = c(125.3, 1.23444444, 12))
>>> grid.newpage()
>>> grid.table(d, parse=T, core.just="left", gpar.coretext=gpar(cex=0.5))
>>>
>>> HTH,
>>>
>>> baptiste
>>>
>>> On 21 April 2011 03:07, Marius Hofert <m_hofert at web.de> wrote:
>>>> Dear Baptiste,
>>>>
>>>> very nice, indeed!
>>>>
>>>> Two minor issues that remain, are:
>>>> (1) I tried to omit the decimal dot for those numbers that do not have digits
>>>> after the decimal dot. But somehow it does not work...
>>>> (2) Do you know how one can decrease the text size for the text appearing in the
>>>> lower panel? I tried to work with "cex=0.5"... but it was ignored all the time.
>>>>
>>>> Cheers,
>>>>
>>>> Marius
>>>>
>>>>
>>>> library(lattice)
>>>> library(grid)
>>>> library(gridExtra)
>>>>
>>>> ## function for correct digit alignment
>>>> align.digits <- function(l){
>>>> sp <- strsplit(as.character(l), "\\.")
>>>> chars <- sapply(sp, function(x) nchar(x)[1])
>>>> n <- max(chars)-chars
>>>> l0 <- sapply(n, function(x) paste(rep("0", x), collapse=""))
>>>> sapply(seq_along(sp), function(i){
>>>> if(length(sp[[1]])==1){
>>>> as.expression(bquote(phantom(.(l0[i])) * .(sp[[i]][1])))
>>>> }else{
>>>> as.expression(bquote(phantom(.(l0[i])) * .(sp[[i]][1])*.*.(sp[[i]][2])))
>>>> }
>>>> })
>>>> }
>>>>
>>>> ## splom with customized lower.panel
>>>> ## x: data
>>>> ## arr: array of containing expressions which are plotted in a grid table in the
>>>> ## lower panel (i,j)]
>>>> splom2 <- function(x, arr, nr){
>>>> ## function for creating table
>>>> table.fun <- function(vec){ # vector containing lines for table for *one* panel
>>>> grid.table(matrix(vec, nrow=nr, byrow=TRUE),
>>>> parse=TRUE, # parse labels as expressions
>>>> theme=theme.list(
>>>> gpar.corefill=gpar(fill=NA, col=NA), # make bg transparent
>>>> core.just="left", padding.h=unit(0,"mm")) # justification of labels
>>>> )
>>>> }
>>>> ## splom
>>>> splom(x, varname.cex=1.2,
>>>> superpanel=function(z, ...){
>>>> panel.pairs(z, upper.panel=panel.splom, lower.panel=function(i,j){
>>>> table.fun(arr[i,j,])
>>>> }, ...)
>>>> })
>>>> }
>>>>
>>>> ## create data and array of expressions
>>>> d <- 4
>>>> x <- matrix(runif(d*1000), ncol=d) # data to be plotted with splom
>>>> nr <- 3 # number of rows for the panel entries
>>>> nc <- 3 # number of cols for the panel entries
>>>> arr <- array(list(rep(NA,nr*nc)), dim=c(d,d,nr*nc), dimnames=c("i","j","val")) # array containing the table entries per panel
>>>> f <- function(i,j) (i+j)*10 # dummy function
>>>> eq <- "phantom()==phantom()"
>>>> for(i in 1:d){
>>>> for(j in 1:d){
>>>> numbers <- align.digits(c(round(pi,4), round(pi, 6), f(i,j)))
>>>> arr[i,j,] <- c("alpha", eq, numbers[1],
>>>> "italic(bbb)", eq, numbers[2],
>>>> "gamma", eq, numbers[3])
>>>> }
>>>> }
>>>>
>>>> ## plot
>>>> splom2(x, arr, nr=3)
>>>>
>>>>
>>>> On 2011-04-20, at 11:56 , baptiste auguie wrote:
>>>>
>>>>> On 20 April 2011 21:16, Marius Hofert <m_hofert at web.de> wrote:
>>>>>> Dear expeRts,
>>>>>>
>>>>>> is there a way to get the entries in each panel correctly aligned according to the
>>>>>> equality signs?
>>>>>>
>>>>>> Here is the "wish-list":
>>>>>> (1) the equality signs in each panel should be vertically aligned
>>>>>
>>>>> You can put the equal signs in their own column,
>>>>>
>>>>> library(gridExtra)
>>>>> d = matrix(c("italic(a)", "phantom()==phantom()", round(pi,4),
>>>>> "italic(b)", "phantom()==phantom()", round(pi,6)), ncol=3, byrow=T)
>>>>> grid.table(d, parse=T,theme=theme.list(core.just="left"))
>>>>>
>>>>>> (2) the numbers should be aligned on the decimal point
>>>>>
>>>>> You could place some phantom()s to do this,
>>>>>
>>>>> align.digits = function(l)
>>>>> {
>>>>>
>>>>> sp <- strsplit(as.character(l), "\\.")
>>>>> chars <- sapply(sp, function(x) nchar(x)[1])
>>>>> n = max(chars) - chars
>>>>> l0 = sapply(n, function(x) paste(rep("0", x), collapse=""))
>>>>> labels = sapply(seq_along(sp), function(i) {
>>>>> as.expression(bquote(phantom(.(l0[i])) * .(sp[[i]][1])*.*.(sp[[i]][2])))})
>>>>>
>>>>> return(labels)
>>>>> }
>>>>>
>>>>> library(gridExtra)
>>>>>
>>>>> d <- align.digits(l = c(125.3, 1.23444444))
>>>>> grid.table(d, parse=T,core.just="left")
>>>>>
>>>>> HTH,
>>>>>
>>>>> baptiste
>>>>>
>>>>>> One could adjust the phantom()-arguments by hand to achieve (1), but is there a
>>>>>> simpler solution? For (2) I have no idea.
>>>>>>
>>>>>> Cheers,
>>>>>>
>>>>>> Marius
>>>>>>
>>>>>>
>>>>>> library(lattice)
>>>>>> library(grid)
>>>>>> library(gridExtra)
>>>>>>
>>>>>> ## splom with customized lower.panel
>>>>>> ## x: data
>>>>>> ## arr: array of containing expressions which are plotted in a grid table in the
>>>>>> ## lower panel (i,j)]
>>>>>> splom2 <- function(x, arr){
>>>>>> ## function for creating table
>>>>>> table.fun <- function(vec){ # vector containing lines for table for *one* panel
>>>>>> grid.table(matrix(vec, ncol=2, byrow=TRUE),
>>>>>> parse=TRUE, # parse labels as expressions
>>>>>> theme=theme.list(
>>>>>> gpar.corefill=gpar(fill=NA, col=NA), # make bg transparent
>>>>>> core.just="left", padding.h=unit(0,"mm")) # justification of labels
>>>>>> )
>>>>>> }
>>>>>> ## splom
>>>>>> splom(x, varname.cex=1.4,
>>>>>> superpanel=function(z, ...){
>>>>>> panel.pairs(z, upper.panel=panel.splom, lower.panel=function(i,j){
>>>>>> table.fun(arr[i,j,])
>>>>>> }, ...)
>>>>>> })
>>>>>> }
>>>>>>
>>>>>> ## create data and array of expressions
>>>>>> d <- 4
>>>>>> x <- matrix(runif(d*1000), ncol=d) # data to be plotted with splom
>>>>>> arr <- array(list(rep(NA, 3*2)), dim=c(d,d,3*2), dimnames=c("i","j","val")) # array containing the table entries per panel
>>>>>> f <- function(i,j) (i+j)*10+0.1 # dummy function
>>>>>> for(i in 1:d){
>>>>>> for(j in 1:d){
>>>>>> arr[i,j,] <- c("alpha==phantom()", round(pi,4),
>>>>>> "italic(bbb)==phantom()", round(pi,6),
>>>>>> "gamma==phantom()", f(i,j))
>>>>>> }
>>>>>> }
>>>>>>
>>>>>> ## plot
>>>>>> splom2(x, arr)
>>>>>>
>>>>>> ______________________________________________
>>>>>> R-help at r-project.org mailing list
>>>>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>>>>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>>>>>> and provide commented, minimal, self-contained, reproducible code.
>>>>>>
>>>>
>>>> ______________________________________________
>>>> R-help at r-project.org mailing list
>>>> https://stat.ethz.ch/mailman/listinfo/r-help
>>>> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
>>>> and provide commented, minimal, self-contained, reproducible code.
>>>>
>>
>>
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