Time series models and visualizing information. Time series decomposition seeks to separate the time series (Y) into 4 components: trend (T), cycle (C), seasonal (S), and irregular (I). What is the difference between these components?
Mininum of 175 words
Review the scatter plot of the stores sales from 2010 through 2021.
Time series decomposition seeks to separate the time series (Y) into 4 components: trend (T), cycle (C), seasonal (S), and irregular (I). What is the difference between these components?
The model can be additive or multiplicative. When do you use each?
Review the scatter plot of the exponential trend of the time series data. Do you observe a trend? If so, what type of trend do you observe?
What predictions might you make about the stores annual sales over the next few years?
