Hi all,
I want to define a function such that one of its argument if passed do one
thing and if not passed do the second thing. So basically, I have to check
whether the argument is passed or not inside the function. I am trying to
use 'exists' function to do this.
f =
OK, I have another question if you guys don't mind helping again. I have all
of the information I need in a csv file, and I've read the csv file into R,
but I'm having some trouble manipulating it. In the past, I've always
manipulated data that was premade for me in the class I'm in, so I think
Dear R Helpers,
I am trying to adjust the attribute of an R object pulled from quantmod.
Since I want to do this for many such objects, I was trying to make the
adjustment programmatic. Unfortunately, I am having a huge amount of
trouble using attr in combination with paste (and perhaps get,
It should not be very hard to find information on optimization. Have you tried
any of the search facilities in R?
?optim # comes with `base'
library(optimx) # you need to install this first from CRAN
Ravi.
From: r-help-boun...@r-project.org
Hi,Just a quick one, does anyone know the command for accessing the standard
errors from a survreg object? I can access the coefficients by
model$coefficients, but I cant seem to find a command to access the errors. Any
help would be greatly appreciated.Regards,Andre
Dear list,
This is a copy of a mail sent to Max Kuhn, original author and
maintainer of the odfWeave package, which seems not to have received it.
It reports a problem that seems to be very implementation specific
(reproductible on three Debian testing amd64 machine, does *not* happen
on two i686
Hello,
I have a rather complex problem... I will have to explain everything in
detail because I cannot solve it by myself...i just ran out of ideas. So
here is what I want to do:
I take quotes of two indices - SP500 and DJ. And my first aim is to
estimate coefficients of the DCC-GARCH model for
On May 14, 2011, at 3:30 AM, utkarshsinghal wrote:
Hi all,
I want to define a function such that one of its argument if
passed do one
thing and if not passed do the second thing.
?missing
So basically, I have to check
whether the argument is passed or not inside the function. I
On May 13, 2011, at 10:25 PM, Me wrote:
OK, I have another question if you guys don't mind helping again. I
have all
of the information I need in a csv file, and I've read the csv file
into R,
but I'm having some trouble manipulating it. In the past, I've always
manipulated data that was
On 11-05-14 4:14 AM, Sparks, John James wrote:
Dear R Helpers,
I am trying to adjust the attribute of an R object pulled from quantmod.
Since I want to do this for many such objects, I was trying to make the
adjustment programmatic. Unfortunately, I am having a huge amount of
trouble using
Note the difference in XML versions.
odfWeave does not work correctly with XML 3.4-x: this has been
reported to the maintainer (and can be seen on the CRAN package checks
at http://cran.r-project.org/web/checks/check_results_odfWeave.html).
I suggest you try downgrading to an earlier version
On May 14, 2011, at 5:48 AM, andre bedon wrote:
Hi,Just a quick one, does anyone know the command for accessing the
standard errors from a survreg object? I can access the coefficients
by model$coefficients, but I cant seem to find a command to access
the errors. Any help would be
Dear all,
so far when I want to create a struct with a substructs I create.
Lists with sublists by using functions and replicate.
This will end up in to a struct that is addressed like that
for (i in c(1:100){
for (j in c(1:100){
Mystruct[[1]][[2]][[1]][[i]][[k]]-dosomething()
}
}
Thanks David. Big help, problem solved.
Regards,
Utkarsh
Original Message
Subject: Re: [R] calling exists function inside
another function is not working
From: David Winsemius dwinsem...@comcast.net
To: utkarshsinghal
utkarsh.sing...@global-analytics.com
Cc: r help
On Sat, 14 May 2011, Emmanuel Charpentier wrote:
Dear Brian,
Thank you very much for this answer. However ...
Le samedi 14 mai 2011 à 11:52 +0100, Prof Brian Ripley a écrit :
Note the difference in XML versions.
odfWeave does not work correctly with XML 3.4-x: this has been
reported to the
There is however the generic vcov(), which has a method for class
survreg.
One good reason for not having a simple means to extract standard
errors is that considering coefficients in isolation is often unwise
(and has come up on R-help more than once already this month).
The summary()
Hello,
how can one merge two data frames when in the second data frame one
column defines the start values
and another defines the end value of the to be merged range.
data.frame.1
time ...
13
24
35
46
55
...
data.frame.2
start end
24 37 ?h? ?
...
should result in this
13 NA
24 ?h?
35 ?h?
46
On May 14, 2011, at 8:12 AM, René Mayer wrote:
Hello,
how can one merge
And what happened when you typed:
?merge
two data frames when in the second data frame one column defines the
start values
and another defines the end value of the to be merged range.
data.frame.1
time ...
13
24
35
Yong,
I saw your post from April 29th about the error message in the mlogit
package, copied below. I had the same problem, but solved it by omitting
all missing data from my data frame before running mlogit.data().
ex. mydata = na.omit(mydata)
I am posting this to the R help list as well so
Can any one help me where i can find small standalone R programs that do
things like:
scatterplot, mean/median, kernel density estimation etc.
Ram
[[alternative HTML version deleted]]
__
R-help@r-project.org mailing list
You have to think about if week i in the database means week i-1 in R,
perhaps?
Uwe Ligges
On 13.05.2011 10:47, Assu wrote:
Thanks Uwe,
it works!
I just have a problem at week 53 which gives me an NA. I guess, this week 53
has to do with the data type set at the database design and
On 13.05.2011 17:06, byzin wrote:
I am attempting to analyze Affymetrix exonchip data using the exon map
package. I have installed this package but have had problems installing the
associated programs, specifically RMySQL since no windows binary exists.
I have followed the directions for
On 13.05.2011 23:20, whitney.mel...@colorado.edu wrote:
I cannot seem to get a L'abbe plot to work on R. I do not understand what
the X coordinates, or alternatively an object of class metabin, is
supposed to mean. What is a class of metabin?
Institute of Behavioral Genetics
University of
On 13.05.2011 11:38, romzero wrote:
Hi,
this is my R-Script
library(pls)
file- C:\\TXT\\brix.txt
d- as.matrix(read.table(file, header=T, sep=,, row.names = NULL))
plsdata- data.frame(NIR=c(1:nrow(X)))
plsdata$NIR- I(d[,3:603])
plsdata$Brix- d[,2]
results- plsr(Brix ~ NIR, data=plsdata)
after
--- On Fri, 5/13/11, Me dolle...@illinois.edu wrote:
From: Me dolle...@illinois.edu
Subject: Re: [R] Uploading CSV file into R
To: r-help@r-project.org
Received: Friday, May 13, 2011, 10:25 PM
OK, I have another question if you
guys don't mind helping again. I have all
of the information
On 13.05.2011 13:44, annekatrin...@gmx.de wrote:
Hello,
I want to do a simple correspondence analysis in R, using the ca package.
First, I create and define a 2-by-2-table (table=table(var1,var2)), which looks
like this:
Low(var1) high(var1)
Low(var2) 35 28
High(var2)
--- On Sat, 5/14/11, Ramnath R vrramn...@gmail.com wrote:
From: Ramnath R vrramn...@gmail.com
Subject: [R] (no subject)
To: r-help@r-project.org
Received: Saturday, May 14, 2011, 9:45 AM
Can any one help me where i can find
small standalone R programs that do
things like
scatterplot,
On 14.05.2011 13:28, Alaios wrote:
Dear all,
so far when I want to create a struct with a substructs I create.
Lists with sublists by using functions and replicate.
This will end up in to a struct that is addressed like that
for (i in c(1:100){
for (j in c(1:100){
On Fri, May 13, 2011 at 11:06 AM, byzin mby...@gmail.com wrote:
I am attempting to analyze Affymetrix exonchip data using the exon map
package. I have installed this package but have had problems installing the
associated programs, specifically RMySQL since no windows binary exists.
I have
Dear Brian,
Thank you very much for this answer. However ...
Le samedi 14 mai 2011 à 11:52 +0100, Prof Brian Ripley a écrit :
Note the difference in XML versions.
odfWeave does not work correctly with XML 3.4-x: this has been
reported to the maintainer (and can be seen on the CRAN package
Dear Brian,
You are right (as usual...) : downgrading XML to 3.2.0 (the
next-to-most-recent version) enables me to compile my minimalistic
example correctly.
And yes, there is no other XML than XML. Silly me...
Now, I have to understand why the i386 and Ubuntu machines were *not*
upgraded to
Hi,
I'm trying to use Grid plots and would like to have an X axis that
represents dates. I have several years of data so I would like to be able to
have labeled tick marks only intermittently (not one per date). I can
transform the initial data from a date time string into POSIXlt or POSIXct,
or
If I assume that the third column in data.frame.2 is named val then in
SQL terms it _seems_ you want
SELECT a.time, b.val FROM data.frame.1 AS a LEFT JOIN data.frame.2 AS b ON
a.time BETWEEN b.start AND b.end;
Not sure how to do that elegantly using R subsetting/merge, but you might
try a
And another approach:
=
library(reshape2)
mydata - data.frame(aa = sample(Cs(a,b,c,d,e),10,replace=TRUE),
bb = sample(1:10, 10, replace=TRUE))
(m1 - melt(mydata))
Hey,
I have created a Netlog profile with my pictures, videos, blogs and events and
I want to add you as a friend so you can see it. You first need to register on
Netlog! When you log in, you can create your own profile.
Take a look:
On 13.05.2011 14:01, Ulrich Halekoh wrote:
Dear,
I encountered a problem using the makeSOCKcluster function depending the
patched version of
R-2.13.0 I used.
library(snow)
cl- makeSOCKcluster(rep(localhost, 2))
this works fine for the R-13.0 patch (2011-04-28 r55678)
but not for the patch
Hi Jim,
Thanks very much for the code. I modified it a bit because I needed to
allocate the track ratings by userid (eg if user 1 plays track x once, he
gets rating 1, user 1 plays track y 100 times, he gets a rating 5) and not
by track (sorry if this wasn't clear in my original post).
This is
On May 13, 2011, at 8:49 AM, Terry Therneau wrote:
---begin included message --
Is there an automated way to use the survival package to generate
survival
rate estimates and their standard errors? To be clear, *not *the
survivorship estimates (which are cumulative), but the survival
*rate *
On May 14, 2011, at 9:16 AM, Ian Gow wrote:
If I assume that the third column in data.frame.2 is named val
then in
SQL terms it _seems_ you want
SELECT a.time, b.val FROM data.frame.1 AS a LEFT JOIN data.frame.2
AS b ON
a.time BETWEEN b.start AND b.end;
Not sure how to do that elegantly
thanks David and Ian,
let me make a better example as the first one was flawed
df.1=data.frame(round((1:10)*100+rnorm(10)), value=NA)
names(df.1) = c(time, value)
df.1
time value
1 101NA
2 199NA
3 301NA
4 401NA
5 501NA
6 601NA
7 700NA
8 800NA
9
René:
I don't see the two merges way either. Here's the sqldf way. (SQLite, like
most SQL systems, doesn't like . in table names and from is an SQL
keyword, so I made changes accordingly. I also hard-coded df_1.)
install.packages(sqldf) # Output suppressed here
library(sqldf)
df_1 -
You could use findInterval() along with a trick with c(rbind(...)):
i - findInterval(x=df.1$time, vec=c(rbind(df.2$from, df.2$to)))
i
[1] 1 1 1 2 3 3 3 5 5 6
The even-valued outputs would map to NA's, the odds
to value[(i+1)/2], but you can use the c(rbind(...)) trick again:
Hi:
Is this what you're after?
tq - with(ds, quantile(freq, seq(0.2, 1, by = 0.2)))
ds$int - with(ds, cut(freq, c(0, tq)))
with(ds, table(int))
int
(0,1] (1,2] (2,4] (4,7] (7,16]
10 6 7 6 6
HTH,
Dennis
On Sat, May 14, 2011 at 9:42 AM, gj gaw...@gmail.com wrote:
Hi
On May 14, 2011, at 2:27 PM, William Dunlap wrote:
You could use findInterval() along with a trick with c(rbind(...)):
i - findInterval(x=df.1$time, vec=c(rbind(df.2$from, df.2$to)))
i
[1] 1 1 1 2 3 3 3 5 5 6
That's nice. I was working on a slightly different trick
findInterval(
Hi,
I'm wondering what's the right value for specifying America/New_York
time zone on a windows machine? I got my code which specify this time
zone on as.POSIXct function work properly with this value on a linux
machine. But it keeps giving me complaint on windows. Thank you.
Cheers,
Robert
sqldf is impressive - compiled it now;
the trick with findInterval is nice, too.
thanks guys!!
Zitat von David Winsemius dwinsem...@comcast.net:
On May 14, 2011, at 2:27 PM, William Dunlap wrote:
You could use findInterval() along with a trick with c(rbind(...)):
i -
On Sat, 14 May 2011, Robert A'gata wrote:
Hi,
I'm wondering what's the right value for specifying America/New_York
time zone on a windows machine? I got my code which specify this time
zone on as.POSIXct function work properly with this value on a linux
machine. But it keeps giving me
I found this rather old but unanswered message in my archives.
On 10.01.2011 00:07, d10sfan wrote:
Ive been trying to help someone with using R scripts with audio on Windows
Vista/7. The problem is that all the packages Ive tried fail to work
properly when being used on Windows 7.
I couldnt
On May 14, 2011, at 2:51 PM, Robert A'gata wrote:
Hi,
I'm wondering what's the right value for specifying America/New_York
time zone on a windows machine? I got my code which specify this time
zone on as.POSIXct function work properly with this value on a linux
machine. But it keeps giving me
Dear R Helpers,
I am trying to find a way to identify all the objects in my environment
that are all caps and then end with .f. I can do the all caps part pretty
easily, but I have tried a number of variations on the \ and can't get a
recognition of that operator. As a simple example
A.f-foo1
On May 14, 2011, at 3:38 PM, Sparks, John James wrote:
Dear R Helpers,
I am trying to find a way to identify all the objects in my
environment
that are all caps and then end with .f. I can do the all caps part
pretty
easily, but I have tried a number of variations on the \ and can't
On May 14, 2011, at 3:57 PM, David Winsemius wrote:
On May 14, 2011, at 3:38 PM, Sparks, John James wrote:
Dear R Helpers,
I am trying to find a way to identify all the objects in my
environment
that are all caps and then end with .f. I can do the all caps part
pretty
easily, but I
Hi,
I think I haven't been able to explain correctly what I want. Here another
try:
Given that I have the following input:
userid,track,freq
1,1,1
1,2,10
1,3,1
1,4,1
1,5,15
1,6,4
1,7,16
1,8,6
1,9,1
1,10,1
1,11,2
1,12,2
1,13,1
1,14,6
1,15,7
1,16,13
1,17,3
1,18,2
1,19,5
1,20,2
1,21,2
1,22,6
1,23,4
An easy way is to just offset the quantiles by a small increment so
that boundary condition is less likely. If you change the line
tqm - do.call(rbind, tq) + 0.001
in my example, that should do the trick.
On Sat, May 14, 2011 at 6:09 PM, gj gaw...@gmail.com wrote:
Hi,
I think I haven't been
Jim's suggestion did the trick:
tqm - do.call(rbind, tq) + 0.001
head(x.new) userid freq track rating
[1,] 11 1 1
[2,] 1 10 2 5
[3,] 11 3 1
[4,] 11 4 1
[5,] 1 15 5 5
[6,] 14 6 3
Dennis,
Dear R Helpers,
I am trying to isolate a set of characters between two other characters in
a long string file. I tried some of the examples on the R help pages and
elsewhere, but I am not able to get it. Your help would be much
appreciated.
require(scrapeR)
Is this what you want:
mmm-http://www.sec.gov/cgi-bin/browse-edgar?action=getcompanyCIK=320193owner=excludecount=40;
num - sub(^.*CIK=([0-9]+).*, \\1, mmm)
num
[1] 320193
On Sat, May 14, 2011 at 8:20 PM, Sparks, John James jspa...@uic.edu wrote:
Dear R Helpers,
I am trying to
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