pcutils (version 0.2.8)

df2distance: Convert Three-column Data to Distance Matrix

Description

This function converts a data frame with three columns (from, to, count) into a distance matrix. The rows and columns of the matrix are all unique names from the 'from' and 'to' columns, and the matrix values are filled with counts.

Usage

df2distance(data)

Value

A distance matrix where rows and columns are all unique names from 'from' and 'to' columns.

Arguments

data

A data frame containing three columns: from, to, count.

Examples

data <- data.frame(
  from = c("A", "A", "B", "D"),
  to = c("B", "C", "A", "B"),
  count = c(1, 2, 3, 4)
)
df2distance(data)