Name commonly used algorithms.
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Write a program to segment a long string into a group of valid words using Dictionary. The result should return false if the string cannot be segmented. Also explain about the complexity of the devised solution.
Describe the data analysis process.
What is back propagation?
What is term Pearson’s Correlation Coefficient?
Explain the difference between overfitting and underfitting?
From a long sorted list and a short 4 element sorted list, which algorithm will you use to search the long sorted list for 4 elements.
Python or R is better for data science?
What is systematic sampling?
How would you create a taxonomy to identify key customer trends in unstructured data?
Which is the standard data missing marker used in pandas?
What is the job description for a data scientist?
How do you use sql in sas, python, r languages?