There are various useful pandas operation available which is really handy in data analysis.
In this lecture we are going to cover following topics:
- How to find unique values.
- How to select data with multiple conditions?
- How to apply function on a particular column?
- How to remove column?
- How to get column and index name?
- Sorting by column
- Checking null value
- Filling in NaN values with something else
- Pivot table creation
- Change column name in pre-existing data frame.
- .map() and .apply() function
- Get column name in the data frame
- Change order of column in the data frame
- Add new column in existing data frame
- Data type conversion
- Date and time conversion
Let’s see all these operations in python