search for: dipa_sanyal

Displaying 4 results from an estimated 4 matches for "dipa_sanyal".

2008 Apr 04
4
How can we creat conditional data frame
Hi, R experts. I am a new user of R and trying to learn this program. I have a problem. Here is the code. d<-as.Date(c("2000/01/03","2000/01/05","2000/01/19","2000/01/28")) r<-rnorm(4) da<-data.frame(d,r) a<-as.Date("01/01/2000","%d/%m/%Y") b<-as.Date("30/01/2000","%d/%m/%Y") ab<-seq(a,b,by=1)
2008 Nov 22
1
Need some help in R programming code
Dear R guru, I am Saikat Sarkar working as a researcher of Economics in Tampere University, Finland. I am trying to estimate some Garch related tests with Bayesian analysis by R programme. I am not good in R but trying to survive. Anyway I have the coding but not working properly. I have tried to find the problem but failed. I am writing to all R gurus to help me out. Could you please look at
2008 Apr 06
3
how to manupute data frame with conditions fill cell with previous value if next cell is zero
Dear R Experts, This is the 2nd time in the chat room. Its a great place to get help from R experts. I have a data frame problem, it contains thousands of data. part of it, I am giving for explaining the problem date day x y z 82 1989-04-28 Fri 2118.0 2418.80 33713 83 1989-05-01 Mon 0.0 2414.96 33793 84 1989-05-02 Tue 2103.1 2402.86 33955
2008 Nov 23
0
why this function give error message
Dear R guru, I am Saikat Sarkar working as a researcher of Economics in Tampere University, Finland. I am trying to estimate some Garch related tests with Bayesian analysis by R programme. I am not good in R but trying to survive. Anyway I have the coding but not working properly. I have tried to find the problem but failed. I am writing to all R gurus to help me out. Could you please look at