The code below was used to analyze barometric changes in 15 cities in the United States. The code is a good example of basic Python programming that can be used in data cleaning and exploratory data analysis.

The example below shows the following topics: (a) concatonate csv files, (b) dropping columns, (c) dropping rows based on a condition, d) replacing values in a column, (e) datetime operations, (f) writing basic functions, (g) grouping observations based on a value, basic statistical functions, (h) visualizations such as marking coordinates on a map and ggplot graphs