describe -- a clone of the describe function in Stata
documentation (generated with roxygen2)
added raw residuals (obs - exp) to chisq.residuals
make frequency tables robust to zero values

avoid dividing by row or column totals of zero
little documentation fixes to describe
recode.na function to deal flexibly with missing values
documentation update

updates to the documentation for chisq.residuals, recode, describe,
prop, cprop and rprop
recode function can produce numerci results

handy for counts and continuous variables that the user recodes before
a linear regression
qload and qscan utilities
documentation update (roxygen2)
.gitignore
Add .projectile to .gitignore
Merge branch 'master' of https://github.com/briatte/questionr into briatte-master
Add @author to François's functions
Add .projectile to .Rbuildignore
Add drop parameter to tables functions documentation
Roxygenized documentation