get other possible input values for defined prediction value in datamining

Question

I'm using Microsoft Neural Network algorithm to my mining model.I'm predicting student's final mark using these input variables

1.Mid mark

2.Assignment mark

Although I can predict final mark with no issue ,but i have to create suggestions for students to improve their performance.

so i want all the possible input values(mid marks and assignment marks) to set final mark = 75.

IS THERE ANY DMX QUERY TO OVERCOME THIS PROBLEM ? (or any otherway) 

Answer 1

Look at the Data Mining Add-ins for Excel, Goal Seek task is doing exactly what you need.

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Tatyana Yakushev [PredixionSoftware.com]