R
How to Check if a Vector Contains a Given Element in R
You can use the following methods to check if a vector contains a given element in R:
Method 1: Check if Vector Contains Element
'some_element' %in%...
R
How to Split a Vector into Chunks in R
You can use the following basic syntax to split a vector into chunks in R:
chunks 4, labels=FALSE))
This particular example splits the vector called my_vector...
R
R: Prevent ifelse() from Converting Date to Numeric
The ifelse() function in base R converts date objects to numeric objects by default.
To prevent this from happening, you can use one of the...
R
How to Add New Level to Factor in R (With Example)
You can use the following basic syntax to add a new level to a factor variable in R:
levels(df$my_factor) new_level')
The following example shows how to...
R
How to Subset Data Frame in R by Multiple Conditions
You can use the following methods to subset a data frame by multiple conditions in R:
Method 1: Subset Data Frame Using “OR” Logic
df_sub ==...
R
How to Extract Numbers from Strings in R (With Examples)
You can use the following methods to extract numbers from strings in R:
Method 1: Extract Number from String Using Base R
as.numeric(gsub("D", "", df$my_column))
Method 2:...
R
R: How to Collapse Text by Group in Data Frame
You can use the following methods to collapse text by group in a data frame in R:
Method 1: Collapse Text by Group Using Base...
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