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Time Series in R

How to Add Days to Date in R (With Examples)

You can use one of the following methods to add a certain number of days to a date in R: Method 1: Use Base R #create...

How to Calculate a Moving Average by Group in R

In time series analysis, a moving average represents the average value of a certain number of previous periods. You can use the following basic syntax to...

How to Calculate a Rolling Average in R (With Example)

In time series analysis, a rolling average represents the average value of a certain number of previous periods. The easiest way to calculate a rolling average...

How to Add and Subtract Months from a Date in R

You can use the following functions from the lubridate package in R to quickly add and subtract months from a date: Method 1: Add Months #add...

R: How to Convert Date to Quarter and Year

You can use one of the following two methods to quickly convert a date to a quarter and year format in R: Method 1: Use...

How to Group Data by Week in R (With Example)

You can use the strftime() function in base R with the “%V” argument to group data by week in R. This function uses the following...

How to Fit a TBATS Model in R (With Example)

One popular time series forecasting method is known as TBATS, which is an acronym for: Trigonometric seasonality Box-Cox transformation ARMA errors Trend Seasonal components. This method fits a variety of...

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