I have two vectors as follows:
popd = vector(mode='numeric', 100)
popr = vector(mode='numeric', 100)
These represent the initial distribution within 2 populations.
I want to define these e.g.
These populations will then transform according to the following...
I am new to R and having problems with understanding loops in R.
basically what i want is the following
say i have a variable y with 100 observations
I want y1 = first 20 observations
y2 = second 20 obs
y3 = third 20 obs
and so on until y5
i know i can do that with y1 <- c(y[1:20])...
I got a SPSS file with the variables "user-id" "date" and than certain information about his consumer behaviour and payments for this particular month.
I now want to calculate -for example- the overall amount spent by every customer.
The user-ids are not consecutive...