get_list {EconGeo}

Create regular data frames from regions - industries matrices

Description

This function creates regular data frames with three columns (regions, industries, count) from (incidence) matrices (wide to long format) using the reshape2 package

Usage

get_list(mat)

Arguments

mat

An incidence matrix with regions in rows and industries in columns (or the other way around)

Value

A data frame with three columns: "Region" (representing the region), "Industry" (representing the industry), and "Count" (representing the count of occurrences)

Author(s)

Pierre-Alexandre Balland [e-mail]

See Also

get_matrix

Examples

## generate a region - industry matrix
set.seed(31)
mat <- matrix(sample(0:100, 20, replace = TRUE), ncol = 4)
rownames(mat) <- c("R1", "R2", "R3", "R4", "R5")
colnames(mat) <- c("I1", "I2", "I3", "I4")

## run the function
get_list(mat)