Nothing
## ---- include = FALSE---------------------------------------------------------
knitr::opts_chunk$set(
collapse = TRUE,
comment = "#>"
)
## ----setup, eval = F, echo = T------------------------------------------------
# library(soundClass)
## ----keras, eval = F, echo = T------------------------------------------------
# keras::install_keras() # only needed before first use of soundClass
## ----folder, eval = F, echo = T-----------------------------------------------
# setwd("/path_to_extracted_folder/")
## ----custom model, eval = F, echo = T-----------------------------------------
# model_path <- system.file("model_architectures", "model_vgg_sequential.R", package="soundClass")
# file.copy(model_path, ".") # Copy custom blank model to the folder 'data_example'
## ----train_calls, eval = F, echo = T------------------------------------------
# # To use the app instead of scripting:
# # app_model()
#
# train_calls <- spectro_calls(
# files_path = "./training_recordings/",
# db_path = "./db_bat_calls.sqlite3",
# spec_size = 20,
# window_length = 0.5,
# frequency_resolution = 1,
# overlap = 0.5,
# dynamic_range = 100,
# freq_range = c(10, 80),
# tx = "auto",
# seed = 1002)
#
# # save the object to disk
# save(train_calls, file = "train_calls.RDATA")
## ----model_load, eval = F, echo = T-------------------------------------------
# input_shape <- c(metadata$parameters$img_rows, metadata$parameters$img_cols, 1)
# num_classes <- metadata$parameters$num_classes
# model_path <- system.file("model_architectures", "model_vgg_sequential.R", package="soundClass")
# source(model_path, local = TRUE)
## ----model_compile, eval = F, echo = T----------------------------------------
# model %>%
# keras::compile(
# optimizer = keras::optimizer_sgd(
# learning_rate = 0.01,
# momentum = 0.9,
# nesterov = TRUE),
# loss = 'categorical_crossentropy',
# metrics = 'accuracy'
# )
## ----model_fit, eval = F, echo = T--------------------------------------------
# model %>% keras::fit(train_calls$data_x,
# train_calls$data_y,
# batch_size = 128,
# epochs = 20,
# callbacks = list(
# keras::callback_early_stopping(patience = 4, monitor = 'val_accuracy'),
# keras::callback_model_checkpoint("./fitted_model.hdf5",
# monitor = "val_accuracy", save_best_only = T),
# keras::callback_csv_logger("./fitted_model_log.csv")),
# shuffle = TRUE,
# validation_split = 0.3,
# verbose = 1)
## ----train_metadata, eval = F, echo = T---------------------------------------
# metadata <- train_metadata(train_calls)
#
# # save the object to disk
# save(metadata, file = "./fitted_model_metadata.RDATA")
## ----model_deploy, eval = F, echo = T-----------------------------------------
# auto_id(model_path = "./fitted_model.hdf5",
# metadata = "./fitted_model_metadata.RDATA", # or "./fitted_model_metadata.RDATA" (the path to the previously saved metadata file)
# file_path = "./validation_recordings/",
# out_file = "id_results",
# out_dir = "./validation_recordings/output/",
# save_png = TRUE,
# win_size = 40,
# remove_noise = TRUE,
# plot2console = FALSE,
# recursive = FALSE,
# tx = "auto")
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