Displaying 20 results from an estimated 6000 matches similar to: "Data manipulation - multiplicate cases"
2009 Sep 18
2
Sum according observation
Hi listers,
I have a simple doubt...
I need to manipulate the data base as:
var1 var2
7 0.1
7 0.1
8 0.12
10 0.15
12 0.18
20 0.31
I would like to aggregate the equal cases as var1 making the sum of var2...
I would get...
var1 var2
7 0.2
8 0.12
10 0.15
12 0.18
20 0.31
Thanks in advance,
Marcio
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2009 Jun 11
4
Count observation
Hi listers,
I have the following code...
data<-as.matrix(c(1,2,3,4,5,6,7,8,9,10),nrow=10,ncol=1,byrow=TRUE)
n<-nrow(data)
m<-n-1
boot<-data[sample(m,replace=T),]
So, I need to count the number of times each observation was selected at the
sample with replacement...
Suppose I sampled...
4 5 1 3 7 5 1 4 7
So, I would count...
x count
1 2
2 0
3 1
4 2
5 2
6 0
7 2
8 0
9 0
10 0
2009 Jun 12
3
Order data frame
Hi listers,
I have a data frame with 5 variables... And I want reorder the data frame
according a specific variable X...
I checked the sort and order functions... In my case I think that the ORDER
function is applicable... But I did not understand at all... The idea is
simple... Data order by X...
I know that this is very simple... Anyways... How I would do that...
Thanks in advance,
Marcio
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2009 Aug 18
1
Simulation function
Hi listers,
I've been looking for a procedure, but I am not succeding...
I have a function that give multiple results...
Then, I would like to simulate this function n times, so I need to save/keep
the n multiple results, in order to calculate my desired statistics...
I have already tried with the RETURN and LIST FUNCTION, but I am not getting
it right...
An example of what I am looking for
2009 Aug 14
1
Simulation Function - Save results
Hi listers,
I am working on a simulation... But I am having some troubles...
Suppose I have a function A which produces two results (mean and
variance)...
Then I would like to simulate this function A with a function B many times
using the results from function A
For example:
#Function A
boot<-function(a,b,c){
mean_boot<-(a+b)/2
var_boot<-c
#list(a=a,b=b,c=c)
return(a)
}
Then I would
2010 Jul 16
1
Multinomial logistic regression in complex surveys
Dear R-list members,
I´m using the package "survey" and I need to find a function for
multinomial logistic regression in a complex design. The functions that
I see are only for dicotomic and ordinal variables.
Thank you!
Rosario Austral
________________________________
De: "r-help-request@r-project.org" <r-help-request@r-project.org>
Para:
2010 Sep 03
7
Function Gini or Ineq
Hi listers,
Does it necessary to install any package in order to use the GINI or INEQ
functions.
If I use the following command the R tells me that didn't find the GINI
function.
x<-c(541, 1463, 2445, 3438, 4437, 5401, 6392, 8304, 11904, 22261)
G<-gini(x)
Thanks in advance,
Marcio
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2013 Mar 05
1
memory leak in 3.3.1 rebalance?
I started rebalancing my 25x2 distributed-replicate volume two days ago.
Since then, the memory usage of the rebalance processes has been
steadily climbing by 1-2 megabytes per minute. Following
http://gluster.org/community/documentation/index.php/High_Memory_Usage,
I tried "echo 2 > /proc/sys/vm/drop_caches". This had no effect on the
processes' memory usage. Some of the
2010 May 26
3
cluster analysis and supervised classification: an alternative to knn1?
Hi,
I have a 1.000 observations with 10 attributes (of different types: numeric,
dicotomic, categorical ecc..) and a measure M.
I need to cluster these observations in order to assign a new observation
(with the same 10 attributes but not the measure) to a cluster.
I want to calculate for the new observation a measure as the average of the
meausures M of the observations in the cluster
2010 Sep 14
4
If then else with command for
Hey listers,
I am trying to do something simple... Check the program below...
I would like to create a variable named COLOR according to the conditions
that I stablished... But the problem is that it seems that my variable COLOR
is checking just on sample, may be last in the loop... Certainly, I am
missing something...
Thanks in advance,
Marcio
2016 Dec 30
2
Java para bigdata
Aunque es un poco offtopic, creeis necesario aprender java para temas de bigdata o con python es suficiente
Gracias
Jesús
[[alternative HTML version deleted]]
2016 Dec 31
2
Java para bigdata
Si,
Bueno en realidad, estamos en un curso de bigdata y estan haciendo mucha scosas con Java, pero yo intento pasarlo a Python tood, ya uqe me parece un lenguaje mucho mas simple y más parecido a R
Y si, lo que quiero principalmente es aplicar machine learning sobre conjuntos de datos enormes.
Alguna recomendación?
________________________________
De: Carlos Ortega <cof en
2012 May 13
1
R package dependency issues when namespace is not attached
I have always assumed that having a package in the 'Depends' field
would automatically also?import?the namespace. However, it seems that
in R 2.15, dependencies do not become available until the package is
actually?attached?to the searchpath. Is this intended behavior?
The problem appears as follows: Suppose there is a package 'Child'
which?Depends, but does not explicitly
2012 Nov 30
2
"layout is NULL", "Failed to get node-uuid for [...] and other errors during rebalancing in 3.3.1
I started rebalancing my volume after updating from 3.2.7 to 3.3.1.
After a few hours, I noticed a large number of failures in the rebalance
status:
> Node Rebalanced-files size scanned failures
> status
> --------- ----------- ----------- ----------- -----------
> ------------
> localhost 0 0Bytes 4288805
2009 Dec 03
1
S4 Classes, nested objects and references
Hi all,
I'm currently programming my first complete package in S4. (thanks to
Christophe Genolini for the nice introduction he wrote). I have an
object "Data" with a number of slots. One of those slots is "meteo".
Now "Meteo" is on itself a class with again a number of slots (like
rainfall, temperature,..., you get the picture).
I defined the slot
2009 Nov 24
4
Graphic Device - View/get all graphics
Hi Listers,
I am producing some graphics that the commands are in a FUNCTION...
The problem is that I end up viewing just last graphic and in my FUNCTION
there are 4 graphics with the PAR command function... Like those below...
How do I view/get the other 3 graphics? Any help?
Thanks in advance...
histogram<-par(mfrow=c(1,2))
hist(rw_mean_app,main='Bootstrap Method
2014 Jun 23
2
[LLVMdev] Call an analysis pass inside a tool pass
Hi,
as in the subject, is it possible to call on of the analysis pass present in the LLVM (lib/ folder) within a tool pass (tools/ folder)?
Thanks.
Best,
Simone
2011 Jul 07
1
Select element out of several ncdf variables
Hi there
I'm working with ncdf data. I have different dataset for 4 runs, 4 seasons
and 3 timeslices (48 datasets in total). The datasets have the following
dimensions: 96 longitudes, 48 latitudes and 30 time steps. To read all of
them in, I wrote the following loop:
runs <- c("03","04","05","06")
years <- c(1851,1961,2061)
seasons <-
2009 Apr 03
1
bigglm "update" with ff
Hi, since bigglm doesn't have update, I was wondering how to achieve
something like (similar to the example in ff package manual using biglm):
first <- TRUE
ffrowapply ({
if (first) {
first <- FALSE
fit <- bigglm(eqn, as.data.frame(bigdata[i1:i2,,drop=FALSE]), chunksize =
10000, family = binomial())
} else {
fit <- update(fit,
2009 Feb 24
2
Transpose array
Hi Listers,
Is there a way that I can transpose an array...
Suppose I have the following array...
x<-array(c(1,2,3,4),dim=c(1,2,2))
, , 1
[,1] [,2]
[1,] 1 2
, , 2
[,1] [,2]
[1,] 3 4
And I would like to get the following result...
, , 1
[,1]
[1,] 1
[,2] 2
, , 2
[,1] [,2]
[1,] 3
[,2] 4
Thanks in advance,
Marcio
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