Function reference • pjutils

Binary Search
`binary_search_r()`	Get the position of x in vector y
`binary_search_cpp()`	Binary search cpp version
Get Score Find the score of the given x in vector y.
`get_score()` `get_score_vec()`	Get the score of a risk factor according to the given config.
Risk Fastors to Score
`rf2score()`	Raw risk factors value to score.
`sum_rf_score()`	Sum every risk factor score
`cal_user_coef()`	A big wrapper of get user insurance discount coef.
Fill NA More efficient way of filling nas in native R code.
`fill_na()`	Fill NA with the last no-NA value generic.
Calculate AUC
`auc()`	Area under the ROC curve (AUC)
Coordinate transform
`wgs2gcj()` `gcj2wgs()` `gcj2bd()` `bd2gcj()` `wgs2bd()` `bd2wgs()`	Coordinate transform
`cal_gps_dist()`	Calculate earth distance between two points gps longitude and latitude.
Json format transform
`fmt_gps_json()`	Generate GPS lines data for echarts
Helper
`pjutils`	pjutils: Utils for data calculation and analysis.

Reference