CSVLogger | R Documentation |
Supports all values that can be represented as a string, including 1D iterables such as np.ndarray.
CSVLogger(filename, separator = ",", append = FALSE)
filename |
filename of the csv file, e.g. 'run/log.csv'. |
separator |
string used to separate elements in the csv file. |
append |
True: append if file exists (useful for continuing training). False: overwrite existing file, |
Taylor B. Arnold, taylor.arnold@acm.org
Chollet, Francois. 2015. Keras: Deep Learning library for Theano and TensorFlow.
Other callbacks: EarlyStopping
,
ModelCheckpoint
,
ReduceLROnPlateau
,
TensorBoard
if(keras_available()) { X_train <- matrix(rnorm(100 * 10), nrow = 100) Y_train <- to_categorical(matrix(sample(0:2, 100, TRUE), ncol = 1), 3) mod <- Sequential() mod$add(Dense(units = 50, input_shape = dim(X_train)[2])) mod$add(Activation("relu")) mod$add(Dense(units = 3)) mod$add(Activation("softmax")) keras_compile(mod, loss = 'categorical_crossentropy', optimizer = RMSprop()) callbacks <- list(CSVLogger(tempfile()), EarlyStopping(), ReduceLROnPlateau(), TensorBoard(tempfile())) keras_fit(mod, X_train, Y_train, batch_size = 32, epochs = 5, verbose = 0, callbacks = callbacks, validation_split = 0.2) }
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