Time Series in R
R
How to Group Data by Month in R (With Example)
You can use the floor_date() function from the lubridate package in R to quickly group data by month.
This function uses the following basic syntax:
library(tidyverse)
df...
R
How to Extract Month from Date in R (With Examples)
There are two ways to quickly extract the month from a date in R:
Method 1: Use format()
df$month as.Date(df$date, format="%d/%m/%Y"),"%m")
Method 2: Use the lubridate package
library(lubridate)
df$month...
R
How to Calculate Number of Months Between Dates in R
You can use one of the following two methods to calculate the number of months between two dates in R:
Method 1: Calculate Number of...
R
How to Use as.Date() Function in R (With Examples)
You can use the as.Date() function in R to quickly convert character objects to date objects.
This function uses the following basic syntax:
as.Date(x, format, tryFormats...
R
The Complete Guide to Date Formats in R
The following table shows a variety of symbols that you can use to format dates in R:
Symbol
Definition
Example
%d
Day as a number
19
%a
Abbreviated weekday
Sun
%A
Unabbreviated weekday
Sunday
%m
Month as a...
R
How to Find Day of the Week in R (With Examples)
You can use the following functions from the lubridate package in R to quickly find the day of the week:
Method 1: Find Numeric Day...
R
Augmented Dickey-Fuller Test in R (With Example)
A time series is said to be “stationary” if it has no trend, exhibits constant variance over time, and has a constant autocorrelation structure...
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