Chengwei LEI, Ph.D.    Associate Professor

Department of Computer and Electrical Engineering and Computer Science
California State University, Bakersfield

 

Understand the Data


 

Understand the data before you use it!!!

 


Wrong Example1:

Is my design/strategy corrct? (What is "correct"?)


Wrong Example2:

This is my report! I use xxx algorithm! Here is the result.

What is the meaning of this result?

I dont know, it is from yyy package, and it is the best one in zzz area.

What are these numbers?

These are the output from my program.

What kind of conclusion can you get from these numbers?

These number are big and these are small ... ...