is.nan.data.frame: NaN (Not a Number).

In petersenlab: A Collection of R Functions by the Petersen Lab

NaN (Not a Number).

Description

Check whether a value is "Not A Number" (NaN) in a dataframe.

Usage

## S3 method for class 'data.frame'
is.nan(x)

Arguments

x	Dataframe.

Details

[INSERT].

Value

TRUE or FALSE, indicating whether values in a dataframe are Not a Number (NA).

See Also

https://stackoverflow.com/questions/18142117/how-to-replace-nan-value-with-zero-in-a-huge-data-frame/18143097#18143097

Other dataEvaluations: dropColsWithAllNA(), dropRowsWithAllNA(), not_all_na(), not_any_na()

Examples

# Prepare Data
df <- data.frame(item1 = rnorm(1000), item2 = rnorm(1000), item3 = rnorm(1000))
df[sample(1:nrow(df), size = 100), c("item1","item2","item3")] <- NaN

# Calculate Missingness-Adjusted Row Sum
is.nan(df)

petersenlab documentation built on Aug. 18, 2025, 5:14 p.m.