smooth_erf_kernsmooth function

Compute smoothed erf with kernsmooth approach

smooth_erf_kernsmooth(matched_Y, matched_w, matched_cw, x_eval, bw)

Arguments

• matched_Y: A vector of outcome value.
• matched_w: A vector of treatment value.
• matched_cw: A vector of weight or count.
• bw: A scaler number indicating the bandwidth.

Returns

A vector of smoothed ERF.