| make_mat {metan} | R Documentation | 
Make a two-way table
Description
This function help users to easily make a two-way table from a "long format" data.
Usage
make_mat(.data, row, col, value, fun = mean)
Arguments
| .data | The dataset. Must contains at least two categorical columns. | 
| row | The column of data in which the mean of each level will correspond to one line in the output. | 
| col | The column of data in which the mean of each level will correspond to one column in the output. | 
| value | The column of data that contains the values to fill the two-way table. | 
| fun | The function to apply. Defaults to  | 
Value
A two-way table with the argument row in the rows, col
in the columns, filled by the argument value.
Author(s)
Tiago Olivoto tiagoolivoto@gmail.com
Examples
library(metan)
matrix <- data_ge %>% make_mat(row = GEN, col = ENV, val = GY)
matrix
# standart error of mean
data_ge %>% make_mat(GEN, ENV, GY, sem)