x3p_trim_na: Trim rows and columns with missing values only from an x3p

Description Usage Arguments Value Examples

View source: R/x3p_trim_na.R

Description

Trims rows and columns from the edges of a surface matrix that contain missing values only.

Usage

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x3p_trim_na(x3p, ratio = 1)

Arguments

x3p

x3p object

ratio

ratio between zero and one, indicating the percent of values that need to be missing in each row and column, for the row or column to be removed

Value

x3p object of the same or smaller dimension where missing values are removed from the boundaries

Examples

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logo <- x3p_read(system.file("csafe-logo.x3p", package="x3ptools"))
logo$surface.matrix[logo$surface.matrix == median(logo$surface.matrix)] <- NA
x3p_trim_na(logo) # reduced to dimension: 668 by 268

x3ptools documentation built on Nov. 27, 2021, 1:06 a.m.