On 21 April 2011 09:54, Marius Hofert <m_hof...@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_hof...@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_hof...@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@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@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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