On 8/16/2017 1:25 AM, PIKAL Petr wrote:
Hi Duncan
The simples spreadsheet is:
Put a name in the cell, let say "a1"
Put number e.g. 1 below "a1"
Copy the number to enough rows
Select this column and press ctrl-c
result is
temp<- read.delim("clipboard")
str(temp)
'data.frame': 1513 obs. of 1 variable:
$ a1: Factor w/ 2 levels "1","a1": 1 1 1 1 1 1 1 1 1 1 ...
which(temp$a1=="a1")
[1] 1365
I tested it in vanilla R
sessionInfo()
R Under development (unstable) (2017-07-31 r73003)
Platform: x86_64-w64-mingw32/x64 (64-bit)
Running under: Windows 10 x64 (build 14393)
Matrix products: default
locale:
[1] LC_COLLATE=Czech_Czech Republic.1250 LC_CTYPE=Czech_Czech
Republic.1250
[3] LC_MONETARY=Czech_Czech Republic.1250 LC_NUMERIC=C
[5] LC_TIME=Czech_Czech Republic.1250
attached base packages:
[1] stats graphics grDevices utils datasets methods base
loaded via a namespace (and not attached):
[1] compiler_3.5.0
Excel 16 or 15 I am not sure.
R-devel 2015 (69443) works as expected so it started a believe around May
or June this year, when I installed new R version.
I hope it could help to trace the problem. If I can help any further, let me
know.
Best regards
Petr
-----Original Message-----
From: Duncan Murdoch [mailto:murdoch.dun...@gmail.com]
Sent: Wednesday, August 16, 2017 12:35 AM
To: PIKAL Petr <petr.pi...@precheza.cz>; r-devel@r-project.org
Subject: Re: [Rd] strange behaviour read.table and clipboard
On 15/08/2017 10:03 AM, PIKAL Petr wrote:
Dear all
I used to transfer data from excel to R by simple ctrl-c and
read.delim("clipboard") construction. I know it is a bad practice but it is easy
and for quick exploratory work it is OK. However after changing to new R
devel
few days ago I encountered weird behaviour. I tried one or two columns.
You haven't posted something that is reproducible. I don't have Excel, but I
can
cut and paste from Libreoffice, and I don't see this.
However, it's not the same spreadsheet as you used, so I wouldn't be
comfortable saying I did what you did.
Please reduce the size of your spreadsheet if you can, and then post
instructions for how to construct it, and what to cut and paste from it.
Then others can try what you did and see if this is specific to your
machine,
to
that particular version of R-devel, to Excel, etc.
Duncan Murdoch
In case of 2 columns, header is repeated after 526 items
mar<-read.delim("clipboard")
which(mar$a2=="a1")
[1] 525 1051 1577
diff(which(mar$a2=="a1"))
[1] 526 526
and only first header item is repeated.
In case of one column, header is repeated after 1107 items
mar<-read.delim("clipboard")
diff(which(mar$a2=="a2"))
[1] 1107 1107
And all items in object are therefore changed to factor.
BTW, readxl package works on same excel file smoothly.
I will try to download the most recent R version to check it, but it could
take
some time due to our IT issues.
Best regards
Petr
version
_
platform x86_64-w64-mingw32
arch x86_64
os mingw32
system x86_64, mingw32
status Under development (unstable)
major 3
minor 5.0
year 2017
month 07
day 31
svn rev 73003
language R
version.string R Under development (unstable) (2017-07-31 r73003)
nickname Unsuffered Consequences
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