tests/testthat/_snaps/convolution_matrix.md

In epiforecasts/epinowcast: Flexible Hierarchical Nowcasting

convolution matrix can construct matrices of the correct form

Code
  convolution_matrix(c(1, 2, 3), 10)
Output
        [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10]
   [1,]    0    0    0    0    0    0    0    0    0     0
   [2,]    0    0    0    0    0    0    0    0    0     0
   [3,]    3    2    1    0    0    0    0    0    0     0
   [4,]    0    3    2    1    0    0    0    0    0     0
   [5,]    0    0    3    2    1    0    0    0    0     0
   [6,]    0    0    0    3    2    1    0    0    0     0
   [7,]    0    0    0    0    3    2    1    0    0     0
   [8,]    0    0    0    0    0    3    2    1    0     0
   [9,]    0    0    0    0    0    0    3    2    1     0
  [10,]    0    0    0    0    0    0    0    3    2     1

Code
  convolution_matrix(c(1, 2, 3), 10, include_partial = TRUE)
Output
        [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10]
   [1,]    1    0    0    0    0    0    0    0    0     0
   [2,]    2    1    0    0    0    0    0    0    0     0
   [3,]    3    2    1    0    0    0    0    0    0     0
   [4,]    0    3    2    1    0    0    0    0    0     0
   [5,]    0    0    3    2    1    0    0    0    0     0
   [6,]    0    0    0    3    2    1    0    0    0     0
   [7,]    0    0    0    0    3    2    1    0    0     0
   [8,]    0    0    0    0    0    3    2    1    0     0
   [9,]    0    0    0    0    0    0    3    2    1     0
  [10,]    0    0    0    0    0    0    0    3    2     1

Code
  convolution_matrix(c(rep(list(c(1, 2, 3)), 10), list(c(4, 5, 6))), 11)
Output
        [,1] [,2] [,3] [,4] [,5] [,6] [,7] [,8] [,9] [,10] [,11]
   [1,]    0    0    0    0    0    0    0    0    0     0     0
   [2,]    0    0    0    0    0    0    0    0    0     0     0
   [3,]    3    2    1    0    0    0    0    0    0     0     0
   [4,]    0    3    2    1    0    0    0    0    0     0     0
   [5,]    0    0    3    2    1    0    0    0    0     0     0
   [6,]    0    0    0    3    2    1    0    0    0     0     0
   [7,]    0    0    0    0    3    2    1    0    0     0     0
   [8,]    0    0    0    0    0    3    2    1    0     0     0
   [9,]    0    0    0    0    0    0    3    2    1     0     0
  [10,]    0    0    0    0    0    0    0    3    2     1     0
  [11,]    0    0    0    0    0    0    0    0    3     2     4

epiforecasts/epinowcast documentation built on Feb. 3, 2025, 4:17 p.m.