Displaying 20 results from an estimated 1000 matches similar to: "Extracting the name of an object into a character string and vice versa"
2009 Apr 02
2
Environments
Dear List,
No doubt I am going around this the wrong way, and hopefully one of you
will be able to tell me how to go about it the right way.
I want to change the names of an object inside a function and have it
stay changed in the global environment. I can only
effect the change inside the function as follows ...
>
2010 Jul 16
1
Packages built before R 2.10.0
Dear list,
I am running R2.11.1 on 32 bit windows. I am receiving messages as
follows ...
> require(car)
Loading required package: car
Error: package 'car' was built before R 2.10.0: please re-install it
The package kohonen was another example.
This failure appears to be fatal and not only affects the package
concerned, but also all its dependents.
Is there anything I can do at my
2009 Jan 30
1
Using Rscript
Dear List,
Hopefully someone will point me to a piece of documentation that I have
overlooked.
I am running Rscript successfully to read and execute an R program, but
have failed
to find the correct syntax to route the output to a file using the
Rscript command that invokes
the job. I tried Rscript -e 'sink("outputfile")' script.R , but it then
ignored the scriptfile.
I know
2008 Dec 01
1
Coercing a list of variables in a function call
This is hopefully a trivial problem for list subscribers, but I am very
new to writing R functions.
I wish to call an R function written by myself from another program to
fit a model. I need
to tell it which of the independent variables are factors. I need to do
this in a generic way,
so that when the list is passed, R will work through the variables in
the data frame and coerce them into being
2008 Dec 11
5
Extracting the name of an object into a character string
Dear List,
I am writing a function in R with the facility to store models for later
use in scoring.
It would be very useful if I could include in the name of the file
stored the name of
the model object being stored, this name being chosen by the user in the
function
call. A simple function to store the name of an object as a character
string would fit the
bill, but I have not found one. name()
2010 Mar 16
0
Ensembles in cforest
Dear List,
I'm trying to find a way to extract the individual conditional inference
trees from cforest ( a modelling function in the party package) in a
manner analogous to
getTree in randomForest and I'm struggling. I can see that the
information is held within the ensemble list, but haven't been able to
work out how this sequence
of nested lists is structured or if any of the items
2008 Nov 06
0
Queries about step() and stepAIC()
I have been learning how to use these functions and would like to know
the following as
I have so far been unable to find the answers in the documentation.
1) What stopping rules are used ?
2) Can the stopping rules be changed?
3) Can the results of each step be stored as objects in R and if so how
?
4) Is there a worked example somewhere of using the keep= argument ?
Many thanks in
2005 Mar 14
7
Voicemail SMS Alert - Possible?
I need to be able to send an sms alert to one's mobile/cell phone. For
instance, when I receive a voicemail message in my inbox, I also want to
be able to get a message on my cell phone alerting me of this e-mail. How
possible is this? And if it is, what do I need to do to get the service up
and running?
Ideas are most welcome.
Thanks,
Julius.
2005 Mar 24
5
* -> SMS w/out PSTN
Hi all
I have been googling and wiki-ing and have found a number of potential
solutions to my questions, but I don't want to have to play about for too
long and risk messing up my * box now I've just got it working, if one of
you kind folk could offer your 2 penneth, (being a Brit I'll have none of
this cents business ;] ).
I want to send an SMS message whenever I get a voicemail
2006 Mar 30
1
Passing values to a Partial
Hi,
I cannot seem to find out how to pass in a value to a partial. Can
anyone help me?
What I am doing(in the code below) is calling a function in my
controller called setobject. This function just redraws the partial. I
want to be able to change the value @objectname, redraw my partial and
have it be able to use that value. The first the page is drawn it works,
but when i call setobject it
2012 Jul 28
1
using save() to work with objects that exceed memory capacity
Context: I'm relatively new to R and am working with very large datasets.
General problem: If working on a dataset requires that I produce more than
two objects of roughly the size of the dataset, R quickly uses up its
available memory and slows to a virtual halt.
My tentative solution: To save and remove objects as they're created, and
load them when I need them. To do this I'm
2010 Aug 18
4
Using objectname in function
Is there anyway I can convert a vectors objectname to a string to be used in
fx:
Monkey<-c(0,0,0,1,1,1)
Wax<-c(1,0,1,0,1,0)
f<-function(x,y){ table(x,y) }
f(Monkey,Wax)
so that the printout is not
y
x 0 1
0 1 2
1 2 1
but
Wax
Monkey 0 1
0 1 2
1 2 1
--
View this message in context:
2018 Jan 09
0
SpreadLevelPlot for more than one factor
Dear Sir,
Many thanks for your reply.
I have a query.
I have a whole set of distributions which should be made normal /
homoscedastic. Take for instance the warpbreaks data set.
We have the following boxplots for the warpbreaks dataset:
a. boxplot(breaks ~ wool)
b. boxplot(breaks ~ tension)
c. boxplot(breaks ~ interaction(wool,tension))
d. boxplot(breaks ~ wool @ each level of tension)
e.
2018 Jan 14
1
SpreadLevelPlot for more than one factor
Dear Ashim,
I?ll address your questions briefly but they?re really not appropriate for
this list, which is for questions about using R, not general statistical
questions.
(1) The relevant distribution is within cells of the wool x tension
cross-classification because it?s the deviations from the cell means that
are supposed to be normally distributed with equal variance. In the
warpbreaks data
2007 Mar 08
3
Problem loading data from database
Hello, I get this error trying to load some data from DB. I''m using
Rails 1.2.2 on Fedora Core 6 and Sybase adapter.
This worked fine when application run under Rails 1.1.6 but now I''m
migrating to 1.2.2 and have some problems.
At browser I got:
SQL Command for table_structure for tplib_bckps failed
Message: schema_info not found. Specify owner.objectname or use
sp_help to
2018 Jan 07
2
SpreadLevelPlot for more than one factor
Dear Ashim,
Try spreadLevelPlot(breaks ~ interaction(tension, wool), data=warpbreaks) .
I hope this helps,
John
-----------------------------
John Fox, Professor Emeritus
McMaster University
Hamilton, Ontario, Canada
Web: socialsciences.mcmaster.ca/jfox/
> -----Original Message-----
> From: R-help [mailto:r-help-bounces at r-project.org] On Behalf Of Ashim
> Kapoor
> Sent:
2018 Jan 07
2
SpreadLevelPlot for more than one factor
Dear All,
I want a transformation which will make the spread of the response at all
combinations
of 2 factors the same.
See for example :
boxplot(breaks ~ tension * wool, warpbreaks)
The closest I can do is :
spreadLevelPlot(breaks ~tension , warpbreaks)
spreadLevelPlot(breaks ~ wool , warpbreaks)
I want to do :
spreadLevelPlot(breaks ~tension * wool, warpbreaks)
But I get :
>
2010 Nov 24
1
diverting output from nested loops
Dear List,
I have a series of nested loops with the structure shown below, and I am
struggling to figure out how to divert output to folders created with
dir.create() within the loops.
What I need is for the output to end up as topNameK/subNameL/objNameM.pdf;
what I get instead is a series of directories topNameK/, directories
subNameL/, and files objNameM.pdf, all in the working directory. Any
2018 Jan 07
0
SpreadLevelPlot for more than one factor
Dear All,
we need to do :
library(car) for the spreadLevelPlot function
I forgot to say that.
Apologies,
Ashim
On Sun, Jan 7, 2018 at 10:37 AM, Ashim Kapoor <ashimkapoor at gmail.com> wrote:
> Dear All,
>
> I want a transformation which will make the spread of the response at all
> combinations
> of 2 factors the same.
>
> See for example :
>
>
2012 Nov 29
2
Deleting certain observations (and their imprint?)
I'm manipulating a large dataset and need to eliminate some observations based on specific identifiers. This isn't a problem in and of itself (using which.. or subset..) but an imprint of the deleted observations seem to remain, even though they have 0 observations. This is causing me problems later on. I'll use the dataset warpbreaks to illustrate, I apologize if this isn't in