Tag pandas operations

Pandas–Operations

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