Apr 29, 2022
Why does the time to calculate total expenditure depend on the file format? Once read from either CSV or parquet, it's in memory.
Why does the time to calculate total expenditure depend on the file format? Once read from either CSV or parquet, it's in memory.
CTO, Data Scientist & Chartered Engineer (MEng CEng EUR ING MRAeS) with over 20 years experience in the Aerospace, Rail & Energy Industry.