- Of the largest 500 public companies, the Tobacco industry generates the highest net income per employee
- Salary distribution in sports
- Understanding the price-earnings (P/E) ratio
- Walking is 3 times more expensive than driving, from a fuel (calories vs. gas) perspective
- Interconnectedness of companies
- Corporate effective tax rates
- Printing cost [calculator]
- Why the Dow Jones is useless
- ROI of college vs. stock market
- Income divide
- Free time [calculator]
- 'Fair value' of a stock [calculator]
- Calculating 'fair value' of a stock - methodology
- Exponential decay of caffeine for popular beverages

- Dropping rows/columns from a Pandas dataframe
- Import (or export) data from CSV into (or out of) a Pandas dataframe
- Rename Pandas dataframe columns
- Find and replace characters in Pandas dataframe columns
- Create a new column in Pandas dataframe
- Merge two dataframes together in Pandas
- Create a pivot table from a Pandas dataframe
- Slice a string in python (right, left, mid equivalents)
- Connecting python to Google Sheets and pushing a Pandas dataframe to a worksheet
- Generate current time in python
- Web scraping with python using Beautiful Soup
- Select rows from a Pandas DataFrame based on values in a column
- Convert strings to lower and uppercase in Python
- Convert to number to float, int, and string in Python
- Concatenate two arrays (lists) in Python
- Get row and column count for Pandas dataframe
- Iterating over rows in Pandas dataframe
- Change the order of columns in Pandas dataframe
- Break a long line into multiple lines in Python
- Replace all NaN values with 0's in a column of Pandas dataframe
- If and else statements in Python
- Create and run a function in Python
- Convert column in Pandas dataframe to a list
- Sort a dataframe in Pandas based on multiple columns
- Count the frequency a value occurs in Pandas dataframe
- Open a browser url using Python
- For loop in Python
- Extract month and year from column in Pandas, create new column
- Drop duplicate rows in Pandas based on column value

Copyright © Erik Rood 2017-2018