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For all the functionalities of every function please go to the manual in R to get the latest info, or type help({name of function}) directly in the Rstudio terminal to get the help of every function.
ExerciseExercise
In this exercise, you'll use the ff_run function to predict deforestation in Peru. You'll create training data, validation data, train a model, make predictions, and analyze the results.
Code Block | language | r
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library(ForestForesight) # Step 1: Set up the parameters parameters # Make sure you have DATA_FOLDER in config.yml in your working directory ff_folder <- "/path/to/your/forestforesight/data"Sys.getenv("DATA_FOLDER") country_code <- "PER" train_start <- "2023-06-01" train_end <- "2023-12-31" validation_start <- "2023-06-01" validation_end <- "2023-12-01" prediction_date <- "2024-01-01" # Step 2: Create date ranges for training and validationvalidation train_dates <- ForestForesight::daterange(train_start, train_end) validation_dates <- ForestForesight::daterange(validation_start, validation_end) # Step 3: Set up file paths for saving resultsresults model_save_path <- paste0(ff_folder, "/path/to/save/peru_deforestation_model.model") predictions_save_path <- paste0(ff_folder, "/path/to/save/peru_deforestation_prediction.tif") accuracy_csv_path <- "/path/to/save/paste0(ff_folder, "peru_deforestation_accuracy.csv") importance_csv_path <- paste(ff_folder, "/path/to/save/peru_feature_importance.csv") # Step 4: Run the ff_run function function prediction_result <- ff_run( country = country_code, prediction_dates = prediction_date, ff_folder = ff_folder, train_dates = train_dates, validation_dates = validation_dates, save_path = model_save_path, save_path_predictions = predictions_save_path, accuracy_csv = accuracy_csv_path, importance_csv = importance_csv_path, verbose = TRUE, autoscale_sample = TRUETRUE ) # Step 5: Plot the prediction resultresult if (!is.na(prediction_result)) { plot(prediction_result, main = "Deforestation Prediction for Peru") } # Step 6: Print a summary of the resultsresults cat("Prediction completed. Results saved to disk:\n") cat("Model:", model_save_path, "\n") cat("Prediction raster:", predictions_save_path, "\n") cat("Accuracy CSV:", accuracy_csv_path, "\n") cat("Feature importance CSV:", importance_csv_path, "\n") # Optional: Load and print the first few lines of the accuracy CSVCSV if (file.exists(accuracy_csv_path)) { accuracy_data <- read.csv(accuracy_csv_path) cat("\nFirst few lines of accuracy data:\n") print(head(accuracy_data)) } |
For more information about the config file please refer to the configuration page here Open-Source Contribution .
This exercise does the following:
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