The information that you have provided is too less and too unrelated to assign something as important as assigning a credit score for an individual. Credit scores are mainly evaluated based on five main factors:
1) Payment history.
2) Total amount owed.
3) Length of credit history.
4) Types of credit.
5) New credit.

The only relevant attribute in your list of attributes is the salary. It alone however cannot determine an appropriate credit score. Determining someone's borrowing capability based on factors like gender and race is extremely discriminatory in nature- thus making it something that I will not help you in doing. If you can gather the data that I have listed above, then we can go ahead in writing code that determines credit scores for individuals.
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