basis_vec               Unit basis vector
coef.lpbwcde            Coef method for local polynomial density
                        bandwidth selection
coef.lpcde              Coef method for local polynomial density
                        conditional estimation
confint.lpcde           Confint method for local polynomial density
                        conditional estimation
lpbwcde                 Data-driven bandwidth selection for local
                        polynomial conditional density estimators
lpcde                   Local polynomial conditional density estimation
mvec                    Polynomial order vector
plot.lpcde              Plot method for local polynomial density
                        conditional estimation
poly_base               Polynomial basis vector expansion
print.lpbwcde           Print method for local polynomial conditional
                        density bandwidth selection
print.lpcde             Print method for local polynomial conditional
                        density estimation
summary.lpbwcde         Summary method for local polynomial conditional
                        density bandwidth selection
summary.lpcde           Summary method for local polynomial density
                        conditional estimation
vcov.lpcde              Variance-Covariance
