It's R questions I need R codes ### 3. Use the canadian_gas data (monthly Canadian gas production in billions of cubic metres, January 1960 February 2005).

#### 3a. Plot the data using autoplot(), gg_subseries() , gg_season() to look at the effect of the changing seasonality over time. Describe the graphs in your own words. What do you see? What type pf pattern do you observe?

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# 3a.Answer:

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#### 3b. Do an STL decomposition of the data. You will need to choose a seasonal window to allow for the changing shape of the seasonal component.

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# 3b.Answer:

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#### 3c. How does the seasonal shape change over time? [Hint: Try plotting the seasonal component using gg_season().] ```{r}

# 3c.Answer:

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#### 3d. produce a plausible seasonally adjusted series? What are these numbers, plot the series. ```{r}

# 3d.Answer:

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