var_estim: import from package locpol, update NMSP/DESC, add uniK, uniform kernel
test RDDtools vs rdd: update doc for new bw in rdd
plotsensi: ad confidence interval on ggplot
plotSensi: small modif in example, davice form ggplot to base
RDDreg_np, man page: add link to RDDbw_IK
Help files: change formating with new call to roxygenise
clusterInf: remove call to matrix.lm, as importing unexported object
RDDbw_x: add cross-links
covartest: rename R script
covarTest_mean: add example, seealso, and value
covarTest_dis: add example, seealso, value
New file RDDcoef
test files: adapt al.equal(check.attributes) for new behaviour
covarTest: export method for RDDreg
correct snall typos
as.npreg help file: complete example, add seealso to as.lm
as.lm: expand help file
test packageDemo: add test for new covarTest on RDDreg
dens_test: adapt for RDDreg, add arg plot and ldots
dens_test: return object htest