jholt...@gmail.com
Subject: Re: [R] Modified R Code
To: Maithili Shiva maithili_sh...@yahoo.com
Cc: r-help@r-project.org
Date: Monday, 28 December, 2009, 1:11 PM
For your problem A, why do you want to create so many variables? Leave the
data in the 'newrate' list and reference the information
Dear R helpers,
I have following input files. (Actually they are more than 10 rates but here i
am considering only 2 rates to write my problem)
rate1.csv
min1 max1 min2 max2 min3 max3
1.051.30 1.30 1.65
Dear R helpers,
I have following input files. (Actually they are more than 10 rates but here i
am considering only 2 rates to write my problem)
rate1.csv
min1 max1 min2 max2 min3 max3
1.051.30 1.30 1.65
Dear R helpers
Â
I have some files in my say 'WORK' directory and the file names are say
rate1.csv, rate2.csv, rate3.csv, rate4.csv
Â
Because of some other requirement, I need to run the following commands
Â
n = 4Â
Â
rates = NULL
Â
for (i in 1:n)
rates[i] = (paste(`rate', i, â.csv`,
--- On Sat, 26/12/09, Johannes Signer j.m.sig...@gmail.com wrote:
From: Johannes Signer j.m.sig...@gmail.com
Subject: Re: [R] Reading Input file
To: Maithili Shiva maithili_sh...@yahoo.com
Cc: r-help@r-project.org
Date: Saturday, 26 December, 2009, 9:42 AM
On Sat, Dec 26, 2009 at 10:21 AM
Dear R helpers,
I understand that this is absolutely unprofessional on my part and this group
doesn't entertain such things. I have been associted with this group since last
1 and half years and have been immensely benefited by the noble service rendred
by many R helpers.
So I take this
Dear R helpers,
Suppose I am dealing with no of interest rates at a time and the no of interest
rates I am selecting for my analysis is random i.e. it can be 2, can be 10 or
even higher. The R-code I had written (with the guidance of R helpers obviously
and I am really grateful to all of you)
Dear R helpers
I am having following data
Name Numbers
A 25
B 3
C 13
A 5
B 7
C 0
A 2
B 10
C 9
CONDITIONS
If Name is
Dear R helpers, please ignore my earlier mail. Here is the corrected mail.
Please forgive me for the lapses on my part. Extremely sorry.
Here is the corrected mail.
Dear R helpers
I am having following data
Name Numbers
A11 12
A12 17
A13
Dear R helpers
I have following table
Name no_of_instances
AAA 12
AA 17
A 0
Dear R helpers
Suppose
M - c(1:10) # length(M) = 10
N - c(25:50) # length(N) = 26
I wish to have an outut file giving M and N. So I have tried
write.csv(data.frame(M, N), 'output.csv', row.names = FALSE)
but I get the following error message
Error in data.frame(M, N) :
out further calcualtions on this output file. Please guide.
Regards
Maithili
--- On Fri, 4/12/09, Johannes Signer j.m.sig...@gmail.com wrote:
From: Johannes Signer j.m.sig...@gmail.com
Subject: Re: [R] writing 'output.csv' file
To: Maithili Shiva maithili_sh...@yahoo.com
Date: Friday, 4
Dear R helpers
If for a given data, I need to calculate Mean, Standard Deviation, Mode,
Median, Skewness, Kurtosis, is there any package in R, which will calculate
these moments?
Individually I can calculate these, but if there is any function which will
calculate these at a stretch, please
Supose I have a data pertaining to credit loss as
amounts - c(46839.50,31177.12,35696.69,21192.57,29200.91,42049.64,42422.19,
44976.18, 32135.36,47936.57,27322.91,37359.09,43179.60, 48381.02, 45872.38,
28057.30,44643.83,36156.33,16037.62, 45432.28)
I am trying to fit Beta distribution (two
assume A =
min(amounts) and B = max(Amounts)
Regards
Maithili
--- On Wed, 7/10/09, Albyn Jones jo...@reed.edu wrote:
From: Albyn Jones jo...@reed.edu
Subject: Re: [R] Parameters of Beta distribution
To: jlu...@ria.buffalo.edu
Cc: Maithili Shiva maithili_sh...@yahoo.com, r-help@r
To: Maithili Shiva maithili_sh...@yahoo.com
Cc: r-help@r-project.org
Date: Thursday, 27 August, 2009, 2:09 PM
Try this:
xtabs(B ~ factor(A, seq(max(A
On Thu, Aug 27, 2009 at 8:26 AM, Maithili Shivamaithili_sh...@yahoo.com wrote:
Dear Sirs,
At the outset I sincerely apologize
Dear R helpers
I have two series A and B as given below -
A - c(2, 2, 1, 3, 7, 3, 3, 1, 14, 7, 31)
B - c(0.0728,0.9538,4.0140,0.0020,2.5593,0.1620,2.513,0.3798, .0033,0.2282,
0.1614)
I need to calculate the total in dataset B corresponding to the numbers in
dataset A i.e. for no 1 in A,
-giessen.de wrote:
From: Gerrit Eichner gerrit.eich...@math.uni-giessen.de
Subject: Re: [R] Comparing and adding two data series
To: Maithili Shiva maithili_sh...@yahoo.com
Date: Thursday, 27 August, 2009, 10:57 AM
Try
tapply( B, A, sum)
On Thu, 27 Aug 2009, Maithili Shiva wrote:
Dear R helpers
To: Maithili Shiva maithili_sh...@yahoo.com
Date: Thursday, 27 August, 2009, 11:12 AM
Hi Maithili,
how about
tapply(B, A, sum)
HTH
Peter.
On Thu, Aug 27, 2009 at 12:38 PM, Maithili Shiva maithili_sh...@yahoo.com
wrote:
Dear R helpers
I have two series A and B as given below -
A - c(2, 2, 1
Dear Sirs,
At the outset I sincerely apologize for reproducing my query to you. I also
thank all of you for the solution you had provided. It has worked on the actual
data I am working with.
However, there is this peculiar problem which I had realized only after I had
obtained my
With warm regards
Â
Maithili
--- On Thu, 27/8/09, David Winsemius dwinsem...@comcast.net wrote:
From: David Winsemius dwinsem...@comcast.net
Subject: Re: [R] Fw: PROBLEM - - COMPARING AND COMBINING two DATASETS
To: Henrique Dallazuanna www...@gmail.com
Cc: Maithili Shiva maithili_sh...@yahoo.com, r
Dear R helpers,
I have following data
c(19679.50,5975.72,17555.52,20078.08,1956.97,8383.25,7899.27,4881.75,2719.29,11701.96,13104.25,10081.01,9417.72,14976.89,7119.62,8373.56,24580.52,8330..70,9110.07,7848.08,12910.46,10310.53,20390.34,15824.71,21703.33)
How do I fit 3 parameter Log Logistic
Dear R helpers,
I have a data of 2102 observations (consisting of 0's also), to which I am
trying to fit Normal distribution using lmom pacakage. If I use Excel, its
easy to estimate the parameters of Normal distribution as simple mean and
standard devaition. The results I get if I use teh
Dear R helpers,
Following is a R script I am using to run the Fast Fourier Transform. The csv
files has 10 columns with titles m1, m2, m3 .m10.
When I use the following commands, I am getting the required results. The
probelm is if there are 100 columns, it is not wise to define 100
Dear R Helpers
This is the R code (which I have slightly changed) I got in VGAM package for
estimating the parameters of FRECHET.
_
y = rfrechet(n - 100, shape=exp(exp(0))) #(A)
fit3 = vglm(y ~ 1,
Dear R helpers
I have some data and through some other software, it is understood that I can
fit the Frechet Distribution to it. However, I need to fit the distribution
using R code only.
I have searched many R packages and one R helper has suggested some sites too,
but unfortunately
Dear R helpers
I have r file which estimate the parameters of 3 parameter Weibull -
(A) - continuous shape parameter (alpha)
- continuous scale parameter (beta)
- continuous location parameter (gamma)
(B) Also, I have a r file which calculates the parameters of Generalized Pareto
Dear R Helpers
Which package is available for estimatine the parameters of three parameter
FRECHET distribution. Also, how to generate the random numbers for Frechet
using these three estimated parameters.
Thanking in advance
Maithili
__
a look at this:
http://bm2.genes.nig.ac.jp/RGM2/R_current/library/evd/man/frechet.html
HTH,
Jorge
On Wed, Mar 18, 2009 at 11:14 AM, Maithili Shiva
maithili_sh...@yahoo.comwrote:
Dear R Helpers
Which package is available for estimatine the
parameters of three parameter
Dear R helpers
How to estimate teh parameters of 3 Parameter Gamma Distribution. I tried LMOM
package but it deals with two parameter GAMMA.
Please guide
Regards
Maithili
__
R-help@r-project.org mailing list
Dear R helpers
I have r file which estimate the parameters of 3 parameter
Weibull -
(A) - continuous shape parameter (alpha)
- continuous scale parameter (beta)
- continuous location parameter (gamma)
(B) Also, I have a r file which calculates the parameters
of
Dera R Helpers,
I am re-posting my query.
Please guide me.
Maithili
--- On Fri, 3/13/09, Maithili Shiva maithili_sh...@yahoo.com wrote:
I am trying to fit the Gumbel distribution to a data. I am
using lmom package. I am getting problem in Cumulative
Distribution Function of Gumbel
Dear R helpers
I am trying to fit the Gumbel distribution to a data. I am using lmom package.
I am getting problem in Cumulative Distribution Function of Gumbel distribution
as I am getting it as a series of 0's and 1's thereby affecting the P P Plot.
My R code is as follows.
Dear R Helpers,
Is there any literaure available (including R code) on Fast Fourier Transform
being used in CreditRisk+? I need to learn how to apply the Fast Fourier
Transform. I agree I am too vaue in my question and sincerely apologize for the
same, but I am not able to understand as to
Dear R helpers
How to generate random numbers for
(a) Generalized logistic distribution
(b) Generalized normal distribution
(c) Pearson Type III distribution
(d) Kappa
Thanks in advance
Maithili
__
R-help@r-project.org mailing list
...@gmail.com
Subject: Re: [R] Generating Correlation matrix
To: Maithili Shiva maithili_sh...@yahoo.com
Cc: r-help@r-project.org
Date: Wednesday, February 11, 2009, 11:37 AM
Assuming you want ordinary correlations -
Pearson or Spearman - and not
some financial thing I've never heard of, searching
Hi R helpers,
I have two matrices A and B of the order (4 * 5) and (5 * 3) respectively. How
to multiply these two matrices to obtain resultant matrix of the order (4 * 3).
Thanks in advance
With regards
Maithili
__
R-help@r-project.org mailing
Dear R helpers
Suppose I have a portfolio of securities with exposure to Equity, Bonds and
Forex (say $ 100 each).
Is there any fucntion in R that will help me calculate Value at Risk (VaR)
using Monte carlo Simulation , Historic simulation and Variance - Covariance
Simulation.
With
Hi R helpers,
Is there any function in R, which generates random numbers in case of
(1) Generalized Extreme Value distribution and
(2) Generalized PAreto distribution for the respective given set of parameters?
Regards
Maithili
__
Dear R helpers,
How do you estimate the (Location, Scale, Shape) parameters of Generalized
Extreme Value distribution using R?
I have tried VGAM but just not able to write the R script.
Please advise.
With regards
Maithili
__
R-help@r-project.org
Dear R help,
I have an xls file with the name ONS.csv having 25 obseravations as given below.
This is my data. (i.e. the first column of file ONS.csv)
(5.55,4.56,17.82,5.03,5.3,40.28,8.05,27.8,5.85,5.42,14.75,46.13,18.5,4.58,
4.31,9.19,6.61,15.92,96.94,21.63,4.44,4.88,241.74,38592.1,5.24)
I
Hi,
I have the response variable 'Y' and four predictors say X1, X2, X3 and X4.
Assuming all the assmptions like Y follows normal distribution etc. hold and I
want to run linear multiple regression. How do I run the stepwise regression
(forward as well as the backward regression).
From other
sincerely sorry for raising these many questions? But I am sure there will
be many like me who will also be immensely benefited by the replies, I may get
pertaining to these questions.
Thanking you all in advance,
With warm regards
Maithili Shiva
__
R
may get
pertaining to these questions.
Thanking you all in advance,
With warm regards
Maithili Shiva
__
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org
was how do I interpret these absolue values. How does these values help me to
find out wheher my model is good.
With regards
Ms Maithili Shiva
Subject: [R] Logistic regresion - Interpreting (SENS) and (SPEC)
To: r
Hi
Hi I am working on credit scoring model using logistic regression. I havd main
sample of 42500 clentes and based on their status as regards to defaulted / non
- defaulted, I have genereted the probability of default.
I have a hold out sample of 5000 clients. I have calculated (1) No of
Dear R helpers,
Hi I am working on credit scoring model using logistic regression. I have main
sample of 42500 clentes and based on their status as regards to defaulted / non
- defaulted, I have genereted the probability of default.
I have a hold out sample of 5000 clients. I have calculated
Hi
Hi I am working on credit scoring model using logistic regression. I havd main
sample of 42500 clentes and based on their status as regards to defaulted / non
- defaulted, I have genereted the probability of default.
I have a hold out sample of 5000 clients. I have calculated (1) No of
Hi!
I am working on scorecard model and I have arrived at the regression equation.
I have used logistic regression using R.
My question is how do I validate this model? I do have hold out sample of 5000
customers.
Please guide me. Problem is I had never used Logistic regression earlier
Hi. This is my first mail. I am new to R and also to the company where I am
employed now. I have Statistics background (i.e. Master of Science).
However, it is only now I understand what I learned in text is simply a bookish
knowledge and when it comes to actually applying statistics in real
Hi. This is my first mail. I am new to R and also to the company where I am
employed now. I have Statistics background (i.e. Master of Science).
However, it is only now I understand what I learned in text is simply a bookish
knowledge and when it comes to actually applying statistics in real
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