Guidance on Learning the GINA Technique
Rubi Sharma
Sunil Chawla
Sending you the worksheet with GINA Analysis
It is one DV Sales and four IVs Ad Spend, Price, Staff and Competitor Price
Column B to F : Original Data
Column H to L : Calculation of Min-Max normalization used to make all values 0-1.
Column M to Q : Absolute difference between DV and each IV at each point.
Column R to U : Grey Relational Coefficients
For DV and all the IV it is assumed that bigger value is better
Results are as under
|
|
Grey Relational Grades |
Rank |
|
|
Influence of AdSpend |
0.807504162 |
1 |
|
|
Influence of Price |
0.750898871 |
2 |
|
|
Influence of Staff |
0.712677939 |
3 |
|
|
Influence of Competitor Price |
0.650821617 |
4 |
|
|
Interpretation |
AdSpend has the highest grey influence on Sales |
||
|
I have taken the help of AI for calculations and Data used is generated thru AI |
|||
Regards
Sunil
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