Time Series Analysis

In this chapter, we will cover the following topics:

• Understanding the difference between Python and pandas date tools
• Slicing time series intelligently
• Using methods that only work with a DatetimeIndex
• Counting the number of weekly crimes
• Aggregating weekly crime and traffic accidents separately
• Measuring crime by weekday and year
• Grouping with anonymous functions with a DatetimeIndex
• Grouping by a Timestamp and another column
• Finding the last time crime was 20% lower with merge_asof