Module 10

DataFrames

Tables for your data.

A table of data

A DataFrame is like a spreadsheet. It has columns (variables) and rows (observations).

Python
import pandas as pd
df = pd.DataFrame({"gene": ["A", "B", "C"], "gc": [54.2, 48.1, 60.0]})
print(df.columns)
print(len(df))
Index(['gene', 'gc'], dtype='object') 3
Your task

Inspect a DataFrame

  • Print columns and length of a DataFrame.