Displaying 20 results from an estimated 1000 matches similar to: "cbind order"
2008 Apr 24
2
changing format of a float value to another
hello
How can I change a vector's float value from ("1.085714e-01") format to
a simpler format (like 0.1xxx).
regards
--
Ahmet Temiz
Jeo. M?h.
Afet ??leri Gen. Md.l???
Deprem Ar. D.
Ahmet Temiz
Geo. Eng.
General Dir. of
Disaster Affairs
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2003 Jul 21
3
R commands from a text file ?
Hello
I was wondering if it was possible to enter R commands from an external
text file. If it is possible, it will be easy for repetetive tasks.
Does anyone have an idea ?
thanks in advance
Ahmet Temiz
TURKEY
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2003 Mar 14
3
logistic regression
Hello
1*
I need to use logistic regression. But
my data file is very huge( appx. 4 million line).
R doesn't handle such a file.
What can I do ?
------------------------
2*
So, I thought whether I could perform sta. analyses on summarised
data (count of yes/no values) of the huge file. Normally, summarised
data file short and R could handle it.
Then I used this command.
> lo
2006 May 10
1
subselect in a matrix
hello
I confused one point
in matrix constructed with cbind
I want to subselect 6. column > 1000
what should the syntax be ?
regards
--
Ahmet Temiz
Jeoloji M?h.
Afet ??leri Genel M?d?rl???
Deprem Ara?t?rma Dairesi
Tel: (312) 287 89 51 veya (312) 287 26 80/1547
Faks: (312) 287 89 51
E. Posta: temiz at deprem.gov.tr
www.deprem.gov.tr
Ahmet Temiz
Geological Eng.
General Directorate of
2005 Jun 24
2
definition of variogram
hello
I need basic explanation of variogram
and how to use in R.
I will appreciate if you supply them.
regards
Ahmet Temiz
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Queries to: postmaster at deprem.gov.tr
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2003 Apr 07
2
log-linear
hello
I have spatial data which contain
number of landslide presence cells with respect to landslide
predictors and
number of landslide absence cells with respect to same predictors.
predictors are essentially categorical data.
I tried logistic regression. But because of providing interaction
capability
of predictors, I want to use log-linear method.
I hesitate the way I should use
2005 Jun 30
1
installation error
hello
when I follow this procedure:
~~~~~~~~~~
rS <- "http://godel.cs.bilgi.edu.tr/mirror/cran/src/contrib/"
install.packages(c("Matrix"), repos=rS, dependencies=TRUE)
~~~~~~~~~~
installation gives this error:
~~~~~~~~~~~~~
make: *** [Matrix.so] Error 1
ERROR: compilation failed for package 'Matrix'
** Removing '/usr/local/lib/R/site-library/Matrix'
**
2003 Oct 31
2
Therotical basis of Kriging
hello
I want to know about therotical basis of Kriging in elemantary level.
I will appreciate if anyone sends me address,link,e-documents, etc..
kind regards
--
Ahmet Temiz
General Directory of Disaster Affairs
Ankara TURKEY
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Inflex - installed on mailserver for domain @deprem.gov.tr
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2006 May 08
1
package contains stepAIC ?
hello
I would like to know which package contains stepAIC
function ?
regards
--
Ahmet Temiz
Jeoloji M?h.
Afet ??leri Genel M?d?rl???
Deprem Ara?t?rma Dairesi
Tel: (312) 287 89 51 veya (312) 287 26 80/1547
Faks: (312) 287 89 51
E. Posta: temiz at deprem.gov.tr
www.deprem.gov.tr
Ahmet Temiz
Geological Eng.
General Directorate of Disaster Affairs
Earthquake Research Department
Phone: +90 (312)
2006 May 08
1
ob.step$anova interpretation
hello
I built logistic regression model.
To model check I used stepAIC. But I don't know how it
is interpreted . I could not any find any explanation about it
For instance which model is preferable ? What are the critarias
to choose beter model
I will appreciate if you give me an explanation ?
models
---------
> lo1.step$anova
Stepwise Model Path
Analysis of Deviance Table
Initial
2007 Apr 24
2
problem in tapply command
hello
when I entered following command, I got NA values for some catagories.
> tapply(slp_jeo2$slp,slp_jeo2$jeo,mean )
999 Ca Cka DCy Jh JKi Kk
14.06665 NA 14.60445 NA NA NA NA NA
KTa KTac Ku Kua Kus Ky Kyk ODe
NA NA NA NA NA NA
2008 Jan 07
2
error message in having subset
hello
I want to have subset of my dataset that is equal to 0. But,
I got this error message.
> hs2=hs[hs$hey60==0 ,]
Error in hs[hs$hey60 == 0, ] : (subscript) logical subscript too long
regards
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2004 Aug 04
2
which package for spatial autocorr.
hello
which package do you recommend for spatial autocorrelation ?
regards
Ahmet Temiz
______________________________________
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Queries to: postmaster at deprem.gov.tr
______________________________________
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2005 Jul 19
1
problem in Krig function of "Fields" package
hello
I try to build DEM using Krig function of fields package.
And I get this error message.
here is the procedure I followed:
> dt<-read.table("/usr/local/bartin/stat/topostat1",header=F,sep="|")
> names(dt) <-c("x","y","z")
> coord<-cbind(dt$x,dt$y)
> elevation<-cbind(dt$z)
>
2023 Jan 26
2
Resumen de R-help-es, Vol 167, Envío 10
Hola esta es una solución
library(data.table)
library(stringr)
dt <- data.table( V1a = sample(c("1","0"), 10, TRUE)
, V1b = sample(c("1","0"), 10, TRUE)
, V2a = sample(c("1","0"), 10, TRUE)
, V2b = sample(c("1","0"), 10, TRUE)
, V3a =
2003 Aug 07
2
Strange predicted values ?
Hello
I carried out a logistic regression and found predicted values.
Then I want to see both predictors (var1,var2..) and predicted values
in same matrix. In other words, I need to know each combinations
and predicted values.
I used:
cbind(var1,var2,var3,var4,predict(glm.obj,type="resp"))
I got a somewhat strange result:
var1 var2 var3 var4 var5 var6 predicted vals
------
2003 Oct 16
2
Interpolation of azimuth values
Hello
I will make an interpolation of data which represents azimuth direction
( angle from north in clockwise direction) values.
But there is a problem.
Say, for instance, while 1 and 359 indicate somewhat same direction,
interpolation puts values
in the range from 1 to 359. What can I do to solve the problem ?
Anything you offer ?
thanks in advance
Ahmet Temiz
General Directory of
2003 Jun 17
1
probability values ?
Hello
I try to find probability values of some predictor combinations using
logistic reg. in response level.
Firstly I found coefficients by glm function.
Then I followed two ways to get probability values:
1- probility <- exp(X0+bX1+cX2+...)/((1+exp(X0+bX1+cX2+...))
2- probility <- predict(glm.obj,type="resp")
Should have these two given same result ?
if so, I did not have. Why
2009 Dec 02
1
category with respect to category
hello
I have two categorical data and want to visualise them to see their changes?
Which graph do you recommend me for category with respect to category ?
kind regards
Ahmet Temiz
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2008 Jun 14
1
restricted coefficient and factor in linear regression.
Hi,
my data set is data.frame(id, yr, y, l, e, k).
I would like to estimate Lee and Schmidts (1993, OUP) model in R.
My colleague wrote SAS code as follows:
** procedures for creating dummy variables are omitted **
** di# and dt# are dummy variables for industry and time **
data a2; merge a1 a2 a; by id yr;
proc sysnlin maxit=100 outest=beta2;
endogenous y;
exogenous l e k