search for: jan2003

Hi, have got anybody experience or a starting point for me, how i can program a function which calculate me a probability transition matrix with a data.frame and two states. I have some independend variable and a class variable for two states - in example one from Jan2003 and the same variables from June2003. Now i would like to calculate the probability that PERSON X change from classA to classB between this time-period dependend from the independend variables. Until now i think about an "easy" function what use the Bayes-Theorem, but it's too b...

....6 Mar2001 297.3 Apr2001 203.3 May2001 164.9 Jun2001 137.1 Jul2001 111.3 Aug2001 158.3 Sep2001 162 Oct2001 252.2 Nov2001 175.3 Dec2001 609 Jan2002 221.2 Feb2002 50.8 Mar2002 55.6 Apr2002 116.5 May2002 236.6 Jun2002 83.1 Jul2002 233.7 Aug2002 54.2 Sep2002 124.2 Oct2002 10.8 Nov2002 307.2 Dec2002 255 Jan2003 444.2 Feb2003 172.9 Mar2003 154.6 Apr2003 159.9 May2003 81.8 Jun2003 50.3 Jul2003 170.4 Aug2003 193.6 Sep2003 205.3 Oct2003 351.4 Nov2003 133.8 Dec2003 273 Jan2004 600.9 Feb2004 31.9 Mar2004 269.4 Apr2004 57.1 May2004 137.6 Jun2004 127.2 Jul2004 166.6 Aug2004 185.2 Sep2004 128.9 Oct2004 125.6 Nov20...

HI Fares, You could try this: dat1<- read.table(text=" date????? donation 3jan2003?? 20235 4jan2003?? 25655 5jan2003?? 225860 6jan2003?? 289658 7jan2003?? 243889 8jan2003?? 244338 9jan2003?? 243889 ",sep="",header=TRUE,stringsAsFactors=FALSE) The post is not very specific as to what you need.? I hope this works for you. library(xts) dat2<-xts(dat1[,2],order...