Created
January 11, 2021 13:26
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Script to randomly select 80 sample points from the data set provided in https://doi.pangaea.de/10.1594/PANGAEA.921387
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| # Adapted from: https://github.com/albhasan/deforestation-sentinel2/blob/master/06_validation/validate_results.R | |
| # validation_dataset_bands.csv is avaliable online on: https://doi.pangaea.de/10.1594/PANGAEA.921387?format=html#download | |
| set.seed(666) | |
| validation_dataset_bands <- readr::read_csv("validation_dataset_bands.csv") | |
| deforestation <- dplyr::filter(validation_dataset_bands, label == "Deforestation") | |
| non_forest <- dplyr::filter(validation_dataset_bands, label == "Non-Forest") | |
| forest <- dplyr::filter(validation_dataset_bands, label == "Forest") | |
| deforestation_80 <- dplyr::sample_n(deforestation, 80) | |
| non_forest_80 <- dplyr::sample_n(non_forest, 80) | |
| forest_80 <- dplyr::sample_n(forest, 80) | |
| validation_dataset_bands <- rbind(deforestation_80, non_forest_80, forest_80) | |
| samples_data <- validation_dataset_bands[sample(nrow(validation_dataset_bands)), ] | |
| write.csv(samples_data, "validation_dataset_bands_80.csv") |
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