Displaying 20 results from an estimated 11000 matches similar to: "Author email addresses"
2016 Mar 03
2
as.vector in R-devel loaded 3/3/2016
I just installed R-devel to check my package before submitting. I got an
error in my vignette in regards to as.vector. When I looked at the code
for as.vector in R-devel it is
standardGeneric for "as.vector" defined from package "base"
function (x, mode)
standardGeneric("as.vector")
<environment: 0x0918ad70>
Methods may be defined for arguments: x, mode
Use
2011 Jan 19
1
Problem in using bdh function for Govt tickers
Hi, all
I wanted to fetch data from Bloomberg for govt bonds, and analyse it
further.
I am having trouble in getting data as when I use field=PX_LAST, it is
giving the prices but when I use field=CPN, or ISSUE_DT, it is not giving
the results and just bouncing back <NA> for that.
This is the piece of code:
> library(rJava)
Warning message:
package 'rJava' was built
2011 Nov 16
1
geom_bar with missing data in package ggplot
Dear all,
I was hoping someone could help with a ggplot question. I would like
to generate a faceted bar chart, but missing data are causing
problems.
g<-structure(list(Date = structure(c(11322, 11687, 12052, 11322,
11687, 12052, 11322, 11687, 12052, 11322, 11687, 12052), class = "Date"),
variable = c("Govt Revenues to GDP", "Govt Revenues to GDP",
2008 Aug 18
2
matrix row product and cumulative product
I spent a lot of time searching and came up empty handed on the
following query. Is there an equivalent to rowSums that does product or
cumulative product and avoids use of apply or looping? I found a rowProd
in a package but it was a convenience function for apply. As part of a
likelihood calculation called from optim, I?m computing products and
cumulative products of rows of matrices with
2008 Oct 29
2
behavior of "by"
Any insight into the behavior of "by" in the following case would be
appreciated. There is a note in the help details for "by" about
documenting behavior since v2.7 but I don't entirely understand what it
is saying. I'm using R2.7.2 Windows. I'm interested if the following
behavior was a change or whether it has always worked this way. I
looked at
2010 Feb 03
1
How to show the definition of a S3 function?
> library(contrast)
> contrast
function (fit, ...)
UseMethod("contrast")
<environment: namespace:contrast>
I guess the above function is S3. Could somebody let me know how to
show the function body in an R session?
2001 Dec 05
1
Code for Hodrick-Prescott Filter
Has anyone written any code for the Hodrick-Prescott filter? I have a some
uncompiled FORTRAN code from Ed Prescott but I'd like to save myself some
programming time if possible. Thanks for your help.
Nick Davis
Crown Financial Policy
Asset and Liability Management Branch
The New Zealand Treasury
Direct: +64-4-471-5924
Fax: +64-4-499-0143
Email:
2016 Mar 04
2
as.vector in R-devel loaded 3/3/2016
Er, until _what_ is fixed?
I see no anomalies with the version in R-pre:
> library(Matrix)
> as.vector
standardGeneric for "as.vector" defined from package "base"
function (x, mode = "any")
standardGeneric("as.vector")
<environment: 0x7fe8f4516640>
Methods may be defined for arguments: x, mode
Use showMethods("as.vector") for
2003 Sep 17
2
CART analysis
Greetings,
Does anyone know of an R code for classification and regression tree
analysis (CART)?
Thank you
Ron
Ron Thornton BVSc, PhD, MACVSc (pathology, epidemiology)
Programme Co-ordinator, Active Surveillance
Animal Biosecurity
MAF Biosecurity Authority
P O Box 2526
Wellington, New Zealand
phone: 64-4-4744156
027 223 7582
fax: 64-4-474-4133
e-mail: ron.thornton at maf.govt.nz
2004 Nov 18
5
How to calculate the stratified means in a data frame?
Dear R people,
I have a simple question to ask. Suppose I have a data.frame with two
variables: one factor (x) and one numeric (y), I want to calculate the
mean of y for each value of x. Although it's easy to do it within a
for a loop, I believe there may be a concise way by using some kinds
of "apply" functions. Could anyone tell me how to do that? Thank you.
Frank
2010 Mar 08
2
Data.frame issue (pls help)
Hi:
I want to obtain a particular value from a data.frame. Following is my
dataframe:
> Quotes
BID ASK
Name
CT2 GOVT 99.92969 99.9375 CT2
TUM0 COMDTY 108.53125 108.5469 TUM0
CT5 GOVT 100.10156 100.1094 GT5
FVM0 COMDTY 115.56250 115.5703 FVM0
TYM0 COMDTY 116.93750 116.9531 TYM0
If I try to run: QuoteTUM0BID = Quotes[Quotes$Name %in%
2001 Dec 13
1
Code for Hodrick-Prescott Filter: Special Case of smooth. spline?
I've had a play with this and, due to my own short-comings, remain none the
wiser.
In particular, I'm not sure what value of 'spar' is consistent with the
magic lambda=1/1600 for quarterly data.
I initially interpreted spar as lambda and tried setting spar=1/1600. This
results in almost no smoothing while spar=1600 causes an error. The
smooth.spline function seems to want
2009 May 13
2
Object and Classes ?
I found a tutorial for creating classes using generic functions ? S3
way ! It was short description so I couldn't grok in full its
usage ... So far so good, what i currently do is something like this :
Blah <- function(data,...) UseMethod('Blah')
Blah.default <- function( ...... ) {
self = ....
class(self) <- 'Blah'
self
}
Blah.some_method <-
2007 Jun 14
3
Retain names in conversion of matrix to vector
Hi R-listers,
I'm using R only for a few basic functions but am having difficulty doing something that *should* be simple. I have an nxn matrix, Q, where Q[i,j] is a directed value (in this case, oil exports from i to j). Note that Q[i,j]~=Q[j,i]. I imported column names along with the matrix then copied them to the rows using rownames(Q) <- colnames(Q). Simple so far.
What I'd like
2003 Jul 21
1
Analysis of Complex Survey Data
Hi all
I would like to perform a logistic regression analysis on some complex survey data with R, but am not sure if there are functions within R that will
enable me to do so.
Also, are there any extensions of the "cor" function that would enable me to incorporate survey weights when calculating correlation coefficients for
bivariate data.
Any help on this matter will be greatly
2013 Apr 23
1
assigning cluster id in cluster package-reg.
Well, you don't give much of an example....
I'm replying CC to the R mailing list. Please ask questions there, rather
than adressing individuals for basic help.
Here is one; does it answer your question ?
data(agriculture)
ag.ag <- agnes(agriculture)
class(ag.ag)
pltree(ag.ag) # the dendrogram, if you want to see it
## cut the dendrogram -> get cluster assignments:
(ck3 <-
2010 Sep 09
1
URL error when trying to use help function in R [Sec: UNOFFICIAL]
Greetings,
I am using R version 2.11.1 on a Dell computer, via a VMware connection to a remote server. My browser version is IE 8.0.6001.18702 and the OS is some corporate version of Microsoft XP.
I'm trying to learn more about the tapply function , so I typed ?tapply into the command line. This opened up a browser window with url http://127.0.0.1:28138/library/base/html/tapply.html which is
2016 Mar 04
2
as.vector in R-devel loaded 3/3/2016
I see as below, where getGeneric and getMethod imply a different signature; the signature is mode="any" for both cases in R version 3.2.3 Patched (2016-01-28 r70038)I don't know how to reproduce Jeff's error, though.
> library(Matrix)
> as.vector
function (x, mode = "any")
.Internal(as.vector(x, mode))
<bytecode: 0xe79f88>
<environment:
2004 Oct 11
3
[LLVMdev] [anilcjohn@sify.com: CS student from India]
----- Forwarded message from ANIL C JOHN <anilcjohn at sify.com> -----
To: brg at dgate.org
Subject: CS student from India
Date: Mon, 11 Oct 2004 22:07:56 +0600 (IST)
From: ANIL C JOHN <anilcjohn at sify.com>
Dear Sir,
I am a computer science undergrad student doing my 7th
semester B.Tech in computer science (equivalent to BS). I want to do a
project using LLVM compiler
2003 Mar 24
1
APC Modelling and the GLM function
Hi all
Apologies for any cross posting.
I have encountered a rather bizarre "problem" in Splus and R. I am using Age-Period-Cohort models to model cervical cancer and have run the same data
on both R (v.1.4.1 & v1.6.2) and Splus (version 6.0). I used the same command line in both Splus and R: glm(cases~-1+as.factor(age)