Model parameters file

This is an example of the format for lsfilepathname:

{"coeffs": [-5.54E-01,5.35E-02,-6.57E-08,7.97E-02,-1.22E-02], "lastpurchasebaseline":
      {"year" : 2015, "month" : 
12, "day" : 2},},"accuracy":79.46117451488122,"auc":0.8438557794564905,"count":705946}

{"coeffs":[1.2024855956645086,0.05882078593404141,0.038124376174192016,-
1.692690221553759E-5,-0.034752168207814946,8.236324616150486E-5,-1.2668686950758745,-
0.023893333583695157,-0.013064784308611483,1.7492398210911963E-
5,0.7696299348698868,0.747163715275524],"lastpurchasebaseline":{"year":2015,"month":12
,"day":30},"filter":"TOTALCOST 
>1000","accuracy":85.24475174106918,"auc":0.9039088358122591,"count":619222}