LASSO.fit               LASSO Penalized Quantile Regression
LASSO.fit.nonpen        LASSO Penalized Quantile Regression with some
                        nonpenalized coefficients
QICD                    Penalized Quantile Regression with QICD
                        Algorithm
QICD.group              Group Penalized Quantile Regression with QICD
                        Algorithm
QICD.master             Master QICD Function for Regular QICD, group
                        QICD, and Partially Penalized QICD with
                        Multiple Lambdas
QICD.nonpen             Penalized Quantile Regression with some
                        nonpenalized coefficients with QICD Algorithm
beta_plots              Plots of Betas
check                   Quantile check function
coef.cv.rq.group.pen    Group Penalized Quantile Regression
                        Coefficients
coef.cv.rq.pen          Penalized Quantile Regression Coefficients
cv.rq.group.pen         Cross Validated quantile regression with group
                        penalty
cv.rq.pen               Cross Validated quantile regression
cv_plots                Plots of Cross-validation results
getRho                  Objective Function Value
get_coef_pen            Returns the coefficient part of the penalized
                        objective function
groupMultLambda         Quantile Regression with Group Penalty for
                        multiple lambdas
group_derivs            Derivative of a group penalty
lasso                   Lasso
mcp                     MCP
mcp_deriv               MCP Derivative
model_eval              Model Evaluation
nonzero                 Nonzero
nonzero.cv.rq.group.pen
                        Nonzero
plot.cv.rq.group.pen    Plot cv.rq.group.pen
pos_part                Positive part
predict.cv.rq.pen       Prediction from a cv quantile regression
                        penalized model
predict.rq.pen          Prediction from a quantile regression penalized
                        model
print.cv.rq.pen         Print cv.rq.pen object
print.rq.pen            Print rq.pen object
qaSIS                   Quantile Adaptive Sure Independence Screening
qbic                    Quantile Regresion BIC
randomly_assign         Randomly Assign
rq.group.fit            Quantile Regresion with Group Penalty
rq.group.lin.prog       Quantile Regresion with Group Penalty using
                        linear programming algorithm
rq.lasso.fit            Quantile Regression with LASSO penalty
rq.lasso.fit.mult       Fit Quantile Regression model for varying
                        quantiles with LASSO penalty
rq.nc.fit               Non-convex penalized quantile regression
rqPen-package           Penalized quantile regression for LASSO, SCAD,
                        and MCP penalty functions including group
                        penalties
scad                    scad
scad_deriv              SCAD Derivative
square                  Square function
transform_coefs         Transform coefficients back to original scale
