John D K

John D K

Working as a Data Scientist with experience in many different areas like: Data Quality, Data manipulation, Data Migration, Data Validation. Using Python, Pandas and Linux for Data Science!

319-exercise

Exercise

310-basic-concepts

Basic concepts

311-replace

replace()

312-split

split()

233-reshape

Reshape

234-melt

melt()

239-exercise

Exercise

230-basic-concepts

Basic concepts

231-groupby

groupby()

229-exercise

Exercise