Adding Rows and Columns in a DataFrame
Explore how to add rows and columns to pandas DataFrames by combining multiple DataFrames with the concat function and performing database-like joins using merge. Learn how to handle index integrity and create new columns efficiently, gaining practical skills for data manipulation.
We'll cover the following...
We'll cover the following...
DataFrames hold tabular data. Databases hold tabular data. We can perform many of the same operations on DataFrames that we can on database tables. Here are the two tables we’ll be using for examples:
Index | Color | Name |
0 | Blue | John |
1 | Blue | George |
2 | Purple | Ringo |
Index | Color | Name |
3 | Red | Paul |
1 | Blue | George |
2 | - | Ringo |
Adding rows to DataFrames
Let’s assume that we have two DataFrames that we want to combine into a single DataFrame, with rows from both. The simplest way to do this is ...