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The data comes indeed from a survey

Then what kind of statistical analysis method should I use?

Thanks, but the problem is more complicated.

Each parameter is a measured value, the result is a rating from 0-10

I'm wondering if there exists a program to solve this kind of matrix

As an example:

12a + 26b - 36c + 44d + 3e = 9

7a + 99b + 255c + 0d - 55e = 3

56a - 44b + 92c + 66d + 22e = 5

2a + 69b + 55c + 37d + 36e = 10

5a + 68b - 44c + 87d + 33e = 1

99a + 51b + 33c + 5d - 48e = 6

...

and so on, totally 20 equations

**oechel**- Replies: 6

Does somebody have a sollution to solve equations which have more equations then parameters

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