What are the important skills to have in Python with regard to data analysis?

The following are some of the important skills to possess which will come handy when performing data analysis using Python.

  • Good understanding of the built-in data types especially lists, dictionaries, tuples, and sets.
  • Mastery of N-dimensional NumPy Arrays.
  • Mastery of Pandas dataframes.
  • Ability to perform element-wise vector and matrix operations on NumPy arrays.
  • Knowing that you should use the Anaconda distribution and the conda package manager.
  • Familiarity with Scikit-learn. **Scikit-Learn Cheat Sheet**
  • Ability to write efficient list comprehensions instead of traditional for loops.
  • Ability to write small, clean functions (important for any developer), preferably pure functions that don’t alter objects.
  • Knowing how to profile the performance of a Python script and how to optimize bottlenecks.