- Why we have L1 and L2 regression regularizations but no L0.5 or L4?
- Right a python code for recognizing if entries to a list have same characters or not. Then what is the computation complexity of it?
- Right a complicated SQL code, turned out later that it actually was only solvable with a postgreSQL code while it was not in the job description.
- What is over fitting.
- what to do with unbalanced data.

Question

- Why we have L1 and L2 regression regularizations but no L0.5 or L4?
- Right a python code for recognizing if entries to a list have same characters or not. Then what is the computation complexity of it?
- Right a complicated SQL code, turned out later that it actually was only solvable with a postgreSQL code while it was not in the job description. 
- What is over fitting.
- what to do with unbalanced data.

Sigiloso · Accepted Answer

I answered over fitting, unbalanced data, and python code. I could not solve SQL one.

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