# Predicting surfaces using random forests means that the results will likely be slightly different each time. This precludes testing on CI or CRAN. test_that("single model spatPredict works", { skip_on_ci() skip_on_cran() features <- c(terra::rast(system.file("extdata/asp.tif", package = "SAiVE")), terra::rast(system.file("extdata/dem.tif", package = "SAiVE")), terra::rast(system.file("extdata/rad.tif", package = "SAiVE")), terra::rast(system.file("extdata/slp.tif", package = "SAiVE")), terra::rast(system.file("extdata/veg.tif", package = "SAiVE"))) outcome <- terra::vect(system.file("extdata/pmfst.gpkg", package = "SAiVE")) outcome$Type <- as.factor(outcome$Type) trainControl <- caret::trainControl( method = "repeatedcv", number = 5, repeats = 5, verboseIter = FALSE, returnResamp = "final", savePredictions = "all", allowParallel = TRUE) res <- spatPredict(features, outcome, 100, trainControl, methods = "ranger", thinFeatures = FALSE, predict = TRUE) expect_named(res, c("training_df", "testing_df", "failed_methods", "selected_model", "selected_model_performance", "prediction")) vdiffr::expect_doppelganger("permafrost prediction single model", terra::plot(res$prediction)) }) test_that("multi-model spatPredict works", { skip_on_ci() skip_on_cran() features <- c(terra::rast(system.file("extdata/asp.tif", package = "SAiVE")), terra::rast(system.file("extdata/dem.tif", package = "SAiVE")), terra::rast(system.file("extdata/rad.tif", package = "SAiVE")), terra::rast(system.file("extdata/slp.tif", package = "SAiVE")), terra::rast(system.file("extdata/veg.tif", package = "SAiVE"))) outcome <- terra::vect(system.file("extdata/pmfst.gpkg", package = "SAiVE")) outcome$Type <- as.factor(outcome$Type) trainControl <- list("ranger" = caret::trainControl( method = "repeatedcv", number = 5, repeats = 5, verboseIter = FALSE, returnResamp = "final", savePredictions = "all", allowParallel = TRUE), "Rborist" = caret::trainControl( method = "boot", number = 5, verboseIter = FALSE, returnResamp = "final", savePredictions = "all", allowParallel = TRUE) ) res <- suppressWarnings(spatPredict(features, outcome, 100, trainControl, methods = c("ranger", "Rborist"), thinFeatures = FALSE, predict = TRUE)) expect_named(res, c("training_df", "testing_df", "failed_methods", "trained_models_performance", "selected_model", "selected_model_performance", "prediction")) vdiffr::expect_doppelganger("permafrost prediction two models", terra::plot(res$prediction)) })