as.npreg: correct for last coefficient (se still false)
reg_lm: add option slope=same, separate
test: ackage demo, add more examples of tests with different covariates adjustments
test: add new test comparing both packages
hasCovar: expand as full method
reg_lm: correct Formula, which should be formula
add expand.formula
reg_lm: another approach to the iussue
expand.formula: changes, but now not used anymore
man RDDreg: update for new covar.opt
man gen_IK: add chart of the curves
man RDDreg_lm: update for new arg covar.opt (other files: minot changes9
NEW VERSION 0.2: update Description and news
reg_lm: minor fix
RDDpred: initial commit, allows to obtain prediction at given values of covariates
RDDpred: update tests to add this check
as.lm: export for RDDreg
getCovar: correct to keep names of original data
RDDdata: handles better z names when univariate
README github: update features description