pychallenger

Data Analysis Fundamentals

data analysis
exploratory data analysis
EDA
value_counts
describe
shape
dtypes
derived columns
pandas visualization
analysis workflow

Exploring a Dataset

LESSON

Get DataFrame Dimensions

CHALLENGE

Check Column Data Types

CHALLENGE

Generate Summary Statistics

CHALLENGE

Explore an Unknown Dataset

CHALLENGE

Counting and Categorizing Values

LESSON

Count Industry Frequencies

CHALLENGE

Find the Most Common Industry

CHALLENGE

Top 3 Industries

CHALLENGE

Creating New Columns

LESSON

Calculate Profit

CHALLENGE

Add a Boolean Column

CHALLENGE

Calculate Profit Margin

CHALLENGE

Visualizing Analysis Results

LESSON

Bar Chart from Value Counts

CHALLENGE

Revenue Distribution Histogram

CHALLENGE

Revenue vs Expenses Scatter Plot

CHALLENGE

Average Revenue by Industry

CHALLENGE

The Analysis Workflow

LESSON

Clean and Summarize

CHALLENGE

Filter, Aggregate, and Report

CHALLENGE

Complete Analysis Pipeline

CHALLENGE

Data Analysis Fundamentals Exam

EXAM