Displaying 1 result from an estimated 1 matches for "cens_ind".
2013 Apr 15
2
regression with paired left-censored data
...es below the detection limit). I have been using the NADA package of R to derive summary statistics and do some regression. I am now trying to carry out regression on paired data where both my X and Y have left-censored data within them.
I have tried various commands in R:
rega = cenreg(Cen(conc, cens_ind) ~ Gp_ident))?
with all X and Y data stacked and using a group identifier to look at the differences
this doesn't take account of the paired data though.
I have also tried splitting the data and regessing one on the other
rega = cenreg(Cen(conc1, censind1) ~ Cen(conc2,censind2))
which doesn...