Data visualization has never been more widespread and consumed by a global audience as it has been this year with the Coronavirus pandemic. One visualization that is commonly used to display metrics of Coronavirus is a bar line chart where the bars display the actual values and the line is a moving average metric.
If you're close to my age, you probably remember Joe Walsh's song Ordinary Average Guy. That song popped into my head when I was writing this example about moving averages, so I encourage you to listen to it while reading the blog post. Many people are looking at graphs lately
With time series data analysis, we can apply moving average methods to predict data points without seasonality. This includes Simple Average (SA), Simple Moving Average (SMA), Weighted Moving Average (WMA), Exponential Moving Average (EMA), etc. For series with a trend but without seasonality, we can use linear, non-linear and autoregressive
