flows (version 1.1.1)

prepflows: Flows Preparation

Description

From a long format matrix to a a wide format matrix.

Usage

prepflows(mat, i, j, fij)

Arguments

mat

A data.frame of flows between origins and destinations: long format matrix (origins, destinations, flows intensity).

i

A character giving the origin field name in mat.

j

A character giving the destination field name in mat.

fij

A character giving the flow field name in mat.

Value

A square matrix of flows. Diagonal can be filled or empty depending on data used.

Examples

# Import data
data(nav)
head(nav)
# Prepare data
myflows <- prepflows(mat = nav, i = "i", j = "j", fij = "fij")
myflows[1:5,1:5]

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