Retrosheet/wOBA mapping function

woba_map.js

function() {
    var woba_fields = {nibb: (this.EVENT_CD == '14') ? 1 : 0, 
                       hbp: (this.EVENT_CD == '15') ? 1 : 0, 
                       _1b: (this.EVENT_CD == '20') ? 1 : 0, 
                       _2b: (this.EVENT_CD == '21') ? 1 : 0, 
                       _3b: (this.EVENT_CD == '22') ? 1 : 0, 
                       hr: (this.EVENT_CD == '23') ? 1 : 0, 
                       rboe: (this.BAT_SAFE_ERR_FL == 'T') ? 1 : 0,
                       pa: 1};
    emit(this.BAT_ID, woba_fields);
}