I have been trying to write my own user defined function in Rpart.I
imitated the anova splitting rule which is given as an example.In the
work I am doing ,I am calculating the concentration index(ci) ,which
is in between -1 and +1.So my deviance is given by
abs(ci)*(1-abs(ci)).Now when I run rpart
I have a dataframe in which I have used a cerain procedure to select
the response a subset of the response and obtained a vector y.Now I
need to fit a glm of the response y given x(the covariates) but now I
get an error that the variables are not of equal length.How can I come
up with a way to
I am working on data that is in clusters (eg events from persons in
the family).So I have a clustered data set up and would like to build
a tree(regression /classification tree) taking into account this
clustered nature of the data.
Do anybody know how to do this or maybe the code to take into
