Time Series in R
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...
R
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...
R
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...
R
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
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...
R
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...
R
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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