You may like to look at
?suppressMessages
P.S. sorry for posting in HTML, new laptop and it’s next on my list of things
to fix.
From: Ivan Calandra
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Not sure I can translate the format of your Date column correctly, however the
command
DF1$Date <- as.Date(DF1$Date, format=’formatstr’)
Will convert the dates into a format correctly handled by R.
?strptime
Should give you an idea of what formatstr should look like.
I.e. if
date = 160721
as.
Or red-r.org..
Tom
Sent from my iPhone
On Apr 11, 2013, at 9:14 AM, Sarah Goslee wrote:
> You might look into Kepler:
> https://kepler-project.org/
>
> Sarah
>
> On Thu, Apr 11, 2013 at 8:09 AM, Ravishankar Rajagopalan
> wrote:
>> Hello R-users,
>>
>>
.5)
http://r.789695.n4.nabble.com/file/n2993262/boxplot_with_one_whisker.png
Thanks!
Tom
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Sent from the R help mailing list archive at Nabble.com.
_
xplots missing his whisker? I use the same data
for both boxplots.
thx,
tom
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_
using
different quantile computation methods.
Thanks a lot to everybody for the quick answers!
Tom
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Sent from the R help mailing list archive at Nabb
sub(",$","",gsub("^,*|,*$|(,)*", "\\1",
",,,apple,,orange,lemon,strawberry"))
It may not be the best solution, but it was my first thought
Tom
- Original Message -
From: "Daren Tan"
To:
Sent: Saturday, Marc
unrelated regression ("SUR") specification.
However, I consider it more appropriate to estimate the cost function
via OLS and the cost share equations via TOBIT due to some peculiarities
of the data (but still as SUR).
I am looking forward to your replies!!
Warm regards,
Tom
(I have
, "name_b", "name_a", "name_c”))
my_lines <- c(name_a = "solid", name_b = "dotted", name_c = "twodash")
ggplot(my_df, aes(x = x, y = val, linetype = var)) +
geom_line() +
scale_linetype_manual(values = my_lines)
Regards,
Tom
>
I just tested your code on my debian install with no problems. RStudio
server logs messages to /var/log/messages (on redhat). Does running:
$ cat /var/log/messages |grep rsession
$ cat /var/log/messages |grep rserver
in the shell give any clues?
R version 3.2.5 (2016-04-14)
Platform: x86_64-p
Using dplyr
$ library(dplyr)
$ x<-data.frame(Length=c(321,350,340,180,198),
ID=c(rep('A234',3),'B123','B225') )
$ x %>% group_by(ID) %>% summarise(m=mean(Length))
On Tue, May 24, 2016 at 3:46 PM, Matthew
wrote:
> I have a data frame with 10 columns.
> In the last colum
Don't see that as being a big problem. If your data grows then dplyr
supports connections to external databases. Alternately if you just want a
mean, most databases can do that directly in SQL.
On Tue, May 24, 2016 at 4:17 PM, Matthew
wrote:
> Thank you very much, Tom.
> This gets
It may not be the problem, but with RStudio this error pops up when
the area reserved for plotting is too small. Typically this area is in
the right hand column, if you have this minimised (perhaps to maximise
space for typing) you will hit this problem. Try making it bigger.
Edit: Just ran your c
Hi Óscar,
Not really sure what you mean by the time variable being a "character"
vector. Unless you are plotting a barchart or boxplot (or similar), I
don't this this makes sense. If you can post a sample of your data,
preferably using the dput() command we can probably help more.
On Thu, May 26,
My general approach to this is to put the function for loading data
into a separate file which is then sourced in the main analysis file.
Occasionally I'll use a construct like:
if file.exists("loadData_local.R")
{
source("loadData_local.R")
}else{
source("loadData_generic.R")
}
Whe
Assuming you are on a mac this link may be of assistance:
http://tips.tutorialhorizon.com/2015/10/01/xcrun-error-invalid-active-developer-path-library-developer-commandline-tools-missing-xcrun/
On Wed, Jun 8, 2016 at 7:14 PM, David Howell wrote:
> I am having trouble running aplpack on my Mac. It
Did you install the package before loading it?
install.packages("VIM")
On Thu, Jun 9, 2016 at 1:19 PM, Ayyappa Chaturvedula
wrote:
> Dear R users,
> I am trying to use VIM (Visualization and Imputation of Missing Values)
> package in R. When I try to install the VIM library (library(VIM)), I am
No expert here, and this isn't tested. It seems you can set the
forbid.reuse option which will cause curl to shutdown the connection
after transfer is complete.
if(url.exists("http://www.omegahat.net/RCurl/index.html";)) {
curl <- getCurlHandle()
curlSetOpt(.opts=list(forbid.reuse=1),curl=cu
As you probably already guessed we are going to need to see the
contents of nref, mu.m2 and disp.m2 to help.
dput(nref)
dput(mu.m2)
dput(disp.m2)
k might help too.
On Tue, Jun 14, 2016 at 2:06 PM, JI Cho wrote:
> Dear R users,
>
> I have been using rnorm, rbinom and have been getting the followi
Does this do what you want?
as.numeric(with(ds_example,paste(1,year2013,year2014,year2015,sep='')))
On Thu, Jun 16, 2016 at 8:57 AM, wrote:
> Hi All,
>
> I need to build a binary vector made of a set of dichotomous variables.
>
> What I have so far is:
>
> -- cut --
>
> ds_example <-
> struct
I'm no expert here but I have recently been playing with the package
'geosphere' it contains plenty of options to calculate distance
between two coordinates specified as lat and long.
install.packages('geosphere') # only needed once
library(geosphere)
coord1 <- c(43.60923,-79.322799)
coord2 <- c(
Solved it myself:
aggregate(mydata, by=mydata[c("MM","DD")], FUN=mean)
Thank you.
# -
My dataframe looks like this:
> mydata
X.YY MM DD hh WDI R.WSP D.GST PRES ATMP DEWP
12015 1 1 0 328 3.6 4.5 102
3.0
10 2015 1 1 9 272 8.8 9.6 1025.4 3.2 -3.3 �
The first four columns are year, month, day, hour (0 � 23). I wish to take the
means of the next six columns (WDIR, WSPD, GST, PRES, ATMP and DEWP) by year,
month and day. That is, I want daily averages.
Please help. Thank you.
do want to develop better form. So, I'll keep working on it.
Thank you for your kind response and examples. I will study them.
Sincerely, Tom
From: jim holtman [jholt...@gmail.com]
Sent: Sunday, July 17, 2016 7:14 PM
To: Jianling Fan
Cc: Tom Mosca;
Dear William,
The line of code you composed works perfectly, as you knew it would. Thank you
for your kind response. I will now endeavor to forget that other function
exists.
Sincerely, Tom
From: William Dunlap [wdun...@tibco.com]
Sent: Monday, July 18
Default level = 0.95.
Does this mean +/- 0.025 from estimate?
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PLEASE do read the posting guide
Hi again Shiva,
I think what we need to see is the output from:
str(eid$date)
and perhaps
head(eid$date)
If you can send this information before doing any processing on the date
(i.e. before the as.Date() function) we may be able to help.
-Original Message-
From: R-help [mailto:r-help
- wday(a1$date)
# note can’t have spaces in variable names
week_names <- wday(a1$date, label=TRUE)
*From:* Shivi Bhatia [mailto:shivipm...@gmail.com]
*Sent:* July 26, 2016 12:16 PM
*To:* Tom Wright
*Cc:* David L Carlson ; r-help
*Subject:* Re: [R] Date Time in R
Hello Tom,
Please
A quick google for "ggplot2 change legend text" turns up several hits.
This stackexchange question has several recipes.
http://stats.stackexchange.com/questions/5007/how-can-i-change-the-title-o
f-a-legend-in-ggplot2
including the correct use of the labs() function;
labs(aesthetic='BrandValue in B
Using a PC I have written the R code for my elementary statistics students.
One of the students has a Mac. Should the same lines of code work on a Mac?
Where can the student find support for R on her Mac? I don't know anything
about them, and have never used one.
Thank you.
[[al
I just landed in Paris, and haven't read backwards in this thread, but I've
done 3.2.0 builds for all current Fedora releases, they're all in
updates-testing (I think the Fedora 22 builds are in updates stable now).
The thing that changed is that R doesn't bundle a number of libraries like it
u
'm building anything for end-of-lifed
Fedora releases, though I understand your predicament.
That said, I am still building for EL5, which is older than Fedora 17,
so you could try to rebuild the R src.rpm from koji. If it does not work
properly, let me know, and I will try to
message:
In open.connection(con, "r") : cannot open: HTTP status was '0 (nil)'
I do not seem to be able to get past this issue, though am able to load the
mh1823 POD package successfully from local zip file
Regards,
Tom
Tom Knox
NDE Subject Matter Expert
Upstream Engineering
I am working in China for a month and needed to download an earlier version of
R in order to use Deseq2 and its requirements. The download got to the last few
seconds and hung up. A trojan was found. It could be coincidence that it
happened when I was downloading R, or perhaps a man in the mi
ill I need to craft something using grid?
Thanks for any ideas.
Tom
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PLEASE do read the postin
x27;,'c'),each=3)),
x=runif(18,0,10),
y=rnorm(18,0,1))
I would like the first row to contain plots for id=1 & id=2, the second row
plots for id=3 and the third row for id=4:6
On Tue, Jan 6, 2015 at 5:58 PM, ONKELINX, Thierry
wrote:
> Dear Tom,
>
&
replacing png(...) and dev.off() with
dev2bitmap('test.png')
seems to work.
On Mon, 2015-02-02 at 15:56 -0200, Antonio Silva wrote:
> Hi R users
>
> I want to save a plot after using the command identify.
>
> I use identify to place labels manually near the points in order to avoid
> overlapping
Hi all,
I'm trying to avoid loops (no real reason, just as an exercise).
Given a list:
list(data.frame(a=1:3,b=letters[1:3]),data.frame(x=1:5,b=LETTERS[1:5]))
Is there an easy way to collapse this to a single dataframe
result<-data.frame(a=c(1:3,1:5),b=c(letters[1:3],LETTERS[1:5]))
Thanks
_
uot;A","B");return(x)})
> do.call(rbind,t)
>
>
> On Mon, Feb 2, 2015 at 4:00 PM, Tom Wright wrote:
> Hi all,
>
> I'm trying to avoid loops (no real reason, just as an
> exercise).
>
> Given a list:
>
ld like to generate another column giving the visit
number
R=c(2,1,1,1,2,3)
My current solution uses nested loops and is slow and ugly. I've looked
at by() but can't see how to keep the order of R correct.
Thanks,
Tom
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R-help@r-project.org
For the introduction to R I strongly suggest you look at the materials
published by software-carpentry www.software-carpentry.org. The lessons
are all open-source, hosted on github and are under active development.
On Tue, 2015-02-03 at 12:08 +0100, Michael Haenlein wrote:
> Dear all,
>
> I am Pr
,'b','c'), not c('b', 'a', 'c'), then the following will do
> the job.
>
> unname(unlist(tapply(dat$D, dat$S, order)))
>
>
> Hope this helps,
>
> Rui Barradas
>
> Em 04-02-2015 19:34, Tom Wright escreveu:
> > G
>
> > Aren't the levels of your example wrong? If the levels are
> > levels=c('a','b','c'), not c('b', 'a', 'c'), then the following will do the
> > job.
> >
> > unname(unlist(tapply(dat$D, dat$S, or
; S D visit
> 1 a 5 1
> 2 a 1 2
> 3 b 3 1
> 4 c 2 1
> 5 c 3 2
> 6 c 4 3
>
>
>
>
> Jim Holtman
> Data Munger Guru
>
> What is the problem that you are trying to solve?
> Tell me what you want to do, not how you want to do it.
&
> -Original Message-
> From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of Tom Wright
> Sent: Wednesday, February 4, 2015 2:08 PM
> To: Rui Barradas
> Cc: r-h...@stat.math.ethz.ch
> Subject: Re: [R] Still trying to avoid loops
>
> Thanks, I was not aware of
If all you want is to add a row of na's could you just do something
like:
nExpectedRows<-length(unique(animals)) * length(unique(animalYears)) * 2
newDf<-data.frame(animals=rep(NA,nExpectedRows-nrow(comAn)),
animalYears=rep(NA,nExpectedRows-nrow(comAn)),
animal
plot(density(as.numeric(dd)),
axes=FALSE,
xlim=c(as.numeric(as.Date("2014-01-01")),
as.numeric(as.Date("2014-12-30")))
rug(as.numeric(dd))
axis(side=1,
at=seq(from=as.numeric(as.Date('2014-01-01')),
to=as.numeric(as.Date('2014-12-1')),length.out=12),
lab
I can answer this:
sample(c(0,1),1)
On Fri, 2015-03-06 at 15:04 +0530, Namratha K wrote:
> Dear Sir/Madam,
> I am a student pursuing MCA .As i am doing an project using R language .I
> want to implement A/B testing using R language.I am searching in google
> from past few days and not able to imp
I think you need to use a loop to iterate through each of the items in
getlinks
for(link in getlinks)
{
url<-paste0('http://spec.org/jEnterprise2010/results/',link)
output<-readfiles(url)
}
You're probably also going to need to add some error handling when your
sea
First you need to make the data pbc available, perhaps by:
data(pbc, package="survival")
Then the line:
sf2<-summary(...
looks wrong, usually you would use the summary() function to look at the
output from a function, seems to me you are missing the function here. I
have no idea what this functi
samples<-sample(c(rep(1,10),rep(2,10),rep(3,10)),30)
samples[samples==1]<-1001:1010
samples[samples==2]<-2001:2010
samples[samples==3]<-3001:3010
fullDf<-rbind(df1,df2,df3)
fullDf[sort(order(samples),index.return=TRUE)$ix,]
On Tue, 2015-03-31 at 13:05 -0400, Kevin E. Thorpe wrote:
> Hello.
>
>
Nice clean-up!!!
On Tue, 2015-03-31 at 14:19 -0400, Ista Zahn wrote:
> library(tidyr)
> library(dplyr)
> bw <- gather(bw, key = "tmp", value = "value",
> matches("^d[a-z]+[0-9]+"))
> bw <- separate(bw, tmp, c("disc", "var"), "_", extra = "merge")
> bw <- spread(bw, var, value)
___
Not entirely sure I understand your problem here (your first email was a
lot of reading).
Would it make sense to add an extra column device_name
Thus ending up with something like:
Host Device Type
host_Aada0ssd
host_Aada1ssd
host_Aada2hdd
...
host_Nda3 ssd
table(unique(df)$PROJECT)
On Tue, 2015-03-31 at 14:51 -0500, Walter Anderson wrote:
> I have a data frame that shows all of the parks (including duplicates)
> that are impacted by a projects 'footprint':
>
> PROJECT PARKNAME
> A PRK A
> A PRK B
> A PRK A
> B PRK C
> B
I have a data frame each with 10 variables of integer data for various
attributes about each row of data, and I need to know the highest 5
variables related to each of
row in this data frame and output that to a new data frame. In addition to
the 5 highest variable names, I also need to kn
both nearly work. I expected I would use something like:
> str_match(x,"\\/mnt\\/AO\\/AO Data\\/([\\w -]+)\\/+")
but I don't seem able to get the square bracket grouping to work
correctly. Can someone please show me where I am going wrong?
Thanks,
Tom
ort still works, not everything has moved to
linkedin and stackoverflow.
Thanks again,
Tom
On Fri, 2014-08-15 at 12:18 -0400, Tom Wright wrote:
> Hi,
> Can anyone please assist.
>
> given the string
>
> > x<-"/mnt/AO/AO Data/S01-012/120824/"
>
> I would lik
geom_boxplot() +
geom_point()
Obviously I'd also like to separate the points to overlay the relevant boxplots.
Any hints gratefully received.
Thanks,
Tom
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PLEA
ggplot(data,aes(x = z1, y = x, fill=x2)) +
geom_boxplot() +
geom_point(alpha=0.5,
position=position_jitterdodge(jitter.width=0.1),
aes(group=x2))
On Mon, 2014-09-08 at 13:10 -0400, Tom Wright wrote:
> Hi,
> I'm trying to create a boxplot overlayed with points where
plot(x=range(x),y=range(c(y1,y2,y3.y4),type='n')
lines(x=x,y=y1,lty=1)
lines(x=x,y=y2,lty=2)
lines(x=x,y=y3,lty=3)
lines(x=x,y=y4,lty=4)
legend('bottomright',c('Y1','Y2','Y3','Y4','Y5'),lty=1:4)
or something like that.
On Fri, 2014-09-19 at 14:11 -0500, Marc Schwartz wrote:
> On Sep 19, 2014,
C", sep = "")))
Any help on this issue would be much appreciated!
Many thanks,
Tom
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A couple of observations:
1) I'm not sure what the variable i is doing, looks like you are trying
to loop through years but perhaps you left that bit of code out for
clarity.
2) On the first loop of i you are assigning the values of
Samaru56[sow_day,] to all values in Samaru56. For future loops all
Hi,
This problem has me stumped so I thought I'd ask the experts. I'm trying
to create a pretty summary table of some data (which patients have had
what tests at what times). Ideally I'd like to knitr this into a pretty
PDF for presentation.
If anyone has pointers I'll be grateful.
require(tables)
| 1 | 1 | 1 | 1
Currently I'm using markdown in r-studio.
And yes, I know the same information is in the dcast solution but I'm
trying to convince people R is an alternative to excel.
On Tue, Nov 25, 2014 at 3:37 PM, Mark Sharp wrote:
> Tom,
>
> If you are wanting
Thanks Duncan,
Dropping the extra columns might be the way forward. I'm sure I can work
out how to embed latex into a markdown document ;-)
On Tue, Nov 25, 2014 at 4:37 PM, Duncan Murdoch
wrote:
> On 25/11/2014 3:12 PM, Tom Wright wrote:
>
>> Hi,
>> This problem has me s
http://www.bioperl.org/wiki/HOWTOs
On Nov 29, 2014, at 3:00 AM, r-help-requ...@r-project.org wrote:
Subject: Re: [R] perl
On Friday, November 28, 2014, Noha Osman
mailto:nmo_...@usc.edu>> wrote:
Hi Folks
Iam a new user in perl and I have two questions .Hopefully I get any help
[[
On Fri, 2015-09-11 at 07:48 -0700, massmatics wrote:
> AM.warpbreaks<=30
The above command is not returning what you expected, what part of the
AM.warpbreaks dataframe is expected to be <= 30?
Effectively you are using a two stage process.
1) Create a logical vector identifying rows in the datafr
to do is generate a table containing mean, median,
mode, standard deviation, min, max and count, all per column.
Thank you, Tom
Example data
Dat1 Dat2 Dat3
1154
2779
3335
42 NA 5
59 NA NA
[[alternative HTML version deleted
I don't have my debian box available so can't confirm. But I would try
$apt-get install libpng
On Tue, Apr 19, 2016 at 11:23 AM, Lorenzo Isella
wrote:
> Dear All,
> I have never had this problem before. I run debian testing on my box
> and I have recently update my R environment.
> Now, see what
Assuming your dataframe is in a variable x:
> require(dplyr)
> x %>% group_by(ID) %>% summarise(maxVal = max(Value,na.rm=TRUE))
On Fri, 2016-04-22 at 13:51 +, Saba Sehrish via R-help wrote:
> Hi
>
>
> I have two columns in data frame. First column is based on "ID" assigned to
> each grou
On heroku the database uri is stored in an environment variable.
> db_uri = Sys.getenv(''DATABASE_URL')
I'm not sure if you can use that directly or if you will need to parse
it for username, password etc.
On Thu, 2016-04-21 at 16:49 +0100, Izaak Rogan wrote:
> Hi,
>
> I'm having trouble connec
Never let it be said there's only one way to do a thing:
require(ggplot2)
require(dplyr)
#create a sample dataset
dat <- data.frame(y1=sample(c(1:10,NA),20,replace=TRUE),
y2=sample(c(1:10,NA),20,replace=TRUE),
y3=sample(c(1:10,NA),20,replace=TRU
subset(df,grepl("t2|pd",x$Command))
On Sat, Apr 30, 2016 at 2:38 PM, ch.elahe via R-help
wrote:
> Hi all,
>
> I have one factor variable in my df and I want to extract the names from
> it which contain both "t2" and "pd":
>
> 'data.frame': 36919 obs. of 162 variables
>$TE:
$Command)
On Sat, Apr 30, 2016, 7:07 PM Tom Wright wrote:
> subset(df,grepl("t2|pd",x$Command))
>
>
> On Sat, Apr 30, 2016 at 2:38 PM, ch.elahe via R-help > wrote:
>
>> Hi all,
>>
>> I have one factor variable in my df and I want to extract the names
I think what you ask isn't ideal.Each column in a dataframe should be the
same data type. While column names are stored in the first row when the df
is exported to CSV, they are not stored as columns in the data frame.
Instead the column names are stored as a separate attribute of the df. This
is w
If you can address your columns by name then order shouldn't matter. If the
column order does matter, perhaps a matrix is a better structure to use?
On Sun, May 1, 2016, 10:56 AM Jan Kacaba wrote:
> Hello dear R users,
>
> Is there a function or package which can insert row, column or array in
>
e size is not 0. It seems that this AND does not work.
>
>
> On Monday, May 2, 2016 5:05 AM, peter dalgaard wrote:
>
> On 02 May 2016, at 12:43 , ch.elahe via R-help
> wrote:
>
> > Thanks for your reply tom. After using
> Subset(df,grepl("(.*t2.*pd.*)|(.*pd.*t2.*)"
PDT2')// I create a vector with these conditions
> str_extract(df$Command,paste(v1,collaps='|')) //returning patterns,
> using stringr library
>
> here I see no pattern named PDT2 but there are only PD and t2 patterns.
> On Monday, May 2, 2016 8:18 AM, Tom Wright wro
o change this
behaviour.
On Mon, May 2, 2016 at 11:01 AM, wrote:
> I just changed all the names in Command to lowercase, then this
> str_extract works fine for "pd" and "t2", but not for "PDT2". Do you have
> any idea how I can bring PDT2 also in str_ext
As pointed out somewhere in the replies to this you can always use the
exists() function.
for(i in 1:5){
if(exists(output)){
output <- c(output, i )
}else{
output <- i
}
}
On Wed, Apr 27, 2016, 11:15 AM Gordon, Fabiana <
fabiana.gor...@imperial.ac.uk> wrote:
> Hello,
>
>
setInternet2() first thing after launching R might fix that.
> On May 12, 2016, at 07:45, Alba Pompeo wrote:
>
> Hello.
>
> I've tried to run R, but I receive many warnings and can't do simple
> stuff such as installing packages.
>
> Here's the full log when I run it.
>
> http://pastebin.com
Can someone help me with R code to perform approximations to second order
differential equations and systems of first order differential equations using
Euler's method and Runge-Kutta? I am not a student and this is not for a test
or graded assignment.
Examples (unrelated to each other):
h =
ction decomposition of P/Q?
For example:
Given (3x^3+x^2-8x+6)/(x^2)(x-1)^2
Return 4/x + 6/x^2 � 1/(x-1) + 2/(x-1)^2
Thank you, Tom
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correlation, or is it telling me that the DW statistics is not the
appropriate statistics to use here?
Thanks,
--
Tom
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PLEASE
random effect
My hunch is that it refers to the Coefficients with (=TRUE) and without
(=FALSE) the random effects?
Any help appreciated
....
Dr Tom C Cameron
Genetics, Ecology and Evolution
IICB, University of Lee
Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf Of Tom Cameron
> Sent: Friday, August 08, 2008 11:47 AM
> To: r-help@r-project.org; [EMAIL PROTECTED]
> Subject: [R] [lme4]Coef output with binomial lmer
>
> Dear R users
>
> I have built the follow
arranged nicely 5 in each row to overall the plots
is a nice 5 by 5 rectangular grid.
Is there any way to adjust this in gplot?
Thank you very much.
Best,
Tom
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Dear R users,
My question is about finding the proper font size for graphics.
For this i had written a code that creats 4 diferent graphics and saves
them as a png file.
>From these PNG.graphics , i select one of the proper size and past it to a
word document.
I have experimented with lots of
Dear R users,
My question is about finding the proper font size for graphics.
For this i had written a code that creats 4 diferent graphics and saves
them as a png file.
>From these PNG.graphics , i select one of the proper size and past it to a
word document.
I have experimented with lots of
]
This creates an indexing vector that identifies which rows to swap,
then the 6:4 flips around the fourth through sixth columns.
- Tom
On Tue, Feb 23, 2010 at 5:27 PM, Laura Rodriguez Murillo
wrote:
> Hi all,
>
> I'd appreciate if anyone can help me with this...
>
> I have
methods. Does
> anybody know an EFFICIENT or FAST way extract the values from L using the
> values from A and B?
Instead of L[[A[i]]][B[i]], try L[A][B]
- Tom
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32000 4 180
[5,] 32000 5 181
[6,] 32000 6 222
> head(ret3)
D Fid V1
1 32000 1 175
2 32000 2 222
3 32000 3 221
4 32000 4 134
5 32000 5 253
6 32000 6 194
- Tom
On Fri, Feb 26, 2010 at 2:58 PM, Rob Forler wrote:
> So I have a function that does lapply's for me
or of size... MB". Is there any
possibility to reduce the RAM usage of that procedure? Can I store the data
differently than in an Array(), which might use too much RAM?
Thanks in advance for your help.
Tom
--
Dr. Tom Broekel
Department of Economic Geography
Faculty of Geosciences
Utrecht
SE] (the answer is a list, not a vector).
Normally, it's easier to use [[]] or $ indexing to get this. Also,
fname[i,j] <- something assignment is still a bit buggy for
data.tables.
- Tom
Tom Short
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and provide commented, minimal, self-contained, reproducible code.
RY XDRY XDRY XDRY XDRY XDRY XDRY
[12] XDRY XDRY XDRY XDRY XDRY XDRY XDRY XDRY
Levels: XDRY
> mcp(xy,id,percent=95)
Error in apply(xy, 2, mean) : dim(X) must have a positive length
> xy1<-xy[1:19,]
> id1<-id[1:19]
> mcp(xy1,id1,percent=95)
Error in apply(xy, 2, mean) : dim(X) must
2
[3,]552
I want an automatic way of doing this as my actual application is a much larger
matrix.
Thanks in advance
Tom
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uch appreciated.
Thanks
Tom
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s)
[1] TRUE
names(df)<-coltitles
names(df)
[1] "1" "1" "1" "1" ###again not what I wanted
How can I convert the column names?
Thanks in advance,
Tom
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Thanks all,
I used Gavins approach - unlisting the titles and the replacing names, as my
titles were stored as factors in the data frame as that was the way they were
imported...
Tom
> Subject: Re: [R] Change data frame column names
> From: gavin.simp...@ucl.ac.uk
> To
to see the embedded graphic
}
My use case was that plots would be inserted where I used "show" as follows:
plot(sin)
show()# < plot inserted into transcript here
plot(cos)
show("cos.png") # this time, a named local file instead of a temp file
- Tom
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