My data.frame table consist of 3 variables (x,y and z) where each variable
has 1000 units. I need to create 5 equal size strata according to one of the
variable (let's say x) whereas units of x variable with a higher value have
higher probability to be selected in a strata with a higher number (max
strata number is 5).
I've been trying different things so far and since I am fairly new to R i
can't figure it out how to trick the R to produce me a table with those 5
strata containing values of my original data so that I could continue with a
further analysis.
Please help me!
have tried Survival package (Stratified sampling) but it doesnt produce me
results in the right way...i must have been doing sth wrong
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