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From: "Sébastien Vauban" <wxhgmqzgwmuf-geNee64TY+gS+FvcfC7Uqw@public.gmane.org>
To: emacs-orgmode-mXXj517/zsQ@public.gmane.org
Subject: [Org-Babel] and R... non-numeric cells
Date: Thu, 12 Aug 2010 17:06:08 +0200	[thread overview]
Message-ID: <871va3hnvj.fsf@mundaneum.com> (raw)

Hello,

For a report I'm writing, I've been helped by a colleague of mine (let's call
him Albert) for the R graphics generation.

Here's an extract of my doc:

--8<---------------cut here---------------start------------->8---
#+TBLNAME: investissement-2010-2013
#+ATTR_LaTeX: align=lSSSS
|                        | \s{Année 2010} | \s{Année 2011} | \s{Année 2012} | \s{Année 2013} |
|------------------------+----------------+----------------+----------------+----------------|
| RFO                    |     2596376.30 |     1500000.00 |      500000.00 |      500000.00 |
| RFO réseau structurant |     3804467.00 |     6534066.00 |     3804467.00 |           0.00 |
| Équipements            |     1000000.00 |      150000.00 |       50000.00 |       50000.00 |
|------------------------+----------------+----------------+----------------+----------------|
| Total (HTVA)           |     7400843.30 |     8184066.00 |     4354467.00 |      550000.00 |
#+TBLFM: @5$2=vsum(@-I..@-II);%.2f::@5$3=vsum(@-I..@-II);%.2f::@5$4=vsum(@-I..@-II);%.2f::@5$5=vsum(@-I..@-II);%.2f

whose graphical representation is:

#+srcname: barplot-investment(ptable = investissement-2010-2013)
#+begin_src R :file 1-01-investissement-2010-2013.png :exports none :session
source("mcplot.R", local=TRUE)
## select the last row only, exclude first column, scale: unit = 1M
alldata <- as.matrix(ptable[2:4, -1]) / 1000000
axisLabels <- c("Année", "Montant HTVA (M€)")
mcStackedBarplot(alldata, "Investissements", c(2010:2013), ptable[-nrow(ptable),1], legend.location="topright")
#+end_src
--8<---------------cut here---------------end--------------->8---

That works perfectly for him (on Ubuntu 9.04, R 2.7.1, Emacs 22.2.1, Org 6.35)

Not for me... on Ubuntu 10.04, R 2.10.1, Emacs 23.1.1, Org 7.01, ESS 5.10: I
get the message

    *Error in as.matrix(ptable[2:4, -1])/1e+06 :
     non-numeric argument to binary operator*

As 1M is numeric, the non-numeric operand must be
=as.matrix(ptable[2:4, -1])=... Verification:

--8<---------------cut here---------------start------------->8---
> ptable
                      V1              V2              V3              V4
1                        \\s{Année 2010} \\s{Année 2011} \\s{Année 2012}
2                    RFO       2596376.3       1500000.0        500000.0
3 RFO réseau structurant       3804467.0       6534066.0       3804467.0
4            Équipements       1000000.0        150000.0         50000.0
5           Total (HTVA)       7400843.3       8184066.0       4354467.0
               V5
1 \\s{Année 2013}
2        500000.0
3             0.0
4         50000.0
5        550000.0

> as.matrix(ptable[2:4, -1])
  V2          V3          V4          V5        
2 "2596376.3" "1500000.0" "500000.0"  "500000.0"
3 "3804467.0" "6534066.0" "3804467.0" "0.0"     
4 "1000000.0" "150000.0"  "50000.0"   "50000.0" 
--8<---------------cut here---------------end--------------->8---

The numerics are written between double quotes... Why!?

I had temporarily patched the above problem in my document by updating the line
with the assignment:

--8<---------------cut here---------------start------------->8---
#+srcname: barplot-investment-sva(ptable = investissement-2010-2013)
#+begin_src R :file 1-01-investissement-sva-2010-2013.png :exports none :session
source("mcplot.R", local=TRUE)
## select the last row only, exclude first column, scale: unit = 1M
alldata <- matrix(as.numeric(as.matrix(ptable[2:4, -1])), nrow=3, ncol=4) / 1000000
axisLabels <- c("Année", "Montant HTVA (M€)")
mcStackedBarplot(alldata, "Investissements", c(2010:2013), ptable[2:4,1], legend.location="topright")
#+end_src
--8<---------------cut here---------------end--------------->8---

and I even just noticed that, instead of complexifying the expression, I can
simplify it, in my case, as my =ptable= is numeric already:

--8<---------------cut here---------------start------------->8---
> ptable[2:4, -1]
         V2        V3        V4       V5
2 2596376.3 1500000.0  500000.0 500000.0
3 3804467.0 6534066.0 3804467.0      0.0
4 1000000.0  150000.0   50000.0  50000.0
--8<---------------cut here---------------end--------------->8---

But I still don't understand what is reponsible of a different treatment of
string and numerics between our 2 machines.

Any idea?

Best regards,
  Seb

-- 
Sébastien Vauban


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             reply	other threads:[~2010-08-12 15:06 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-12 15:06 Sébastien Vauban [this message]
2010-08-12 15:20 ` [Org-Babel] and R... non-numeric cells Erik Iverson
2010-08-12 15:30 ` Neil Hepburn
2010-08-12 15:57   ` Erik Iverson
2010-08-12 20:27 ` Dan Davison
2010-08-18  7:15   ` Sébastien Vauban

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