Manipulating and visualizing your data

Case Study: Analyzing City Time Series Data in R

Lore Dirick

Manager of Data Science Curriculum at Flatiron School

Qualities of xts objects

$$

  • Periodicity: units of time in your data

$$

periodicity(citydata)

Yearly periodicity from 1980-01-01 to 2010-01-01
Case Study: Analyzing City Time Series Data in R

Plotting time series data

plot.xts(citydata$pop)

time series data plotted with a line graph

Case Study: Analyzing City Time Series Data in R

Plotting time series data

citydata$pct_growth <- (diff(citydata$pop) / citydata$pop) * 100
plot.xts(citydata$pct_growth)

time series data plotted as percentage growth

Case Study: Analyzing City Time Series Data in R

Let's practice!

Case Study: Analyzing City Time Series Data in R

Preparing Video For Download...