feat(Models): added model that predicts 10 days ahead

This commit is contained in:
Mark Aron Szulyovszky
2021-11-12 16:10:55 +01:00
parent ce45288315
commit baf7d261e8
2 changed files with 177 additions and 164 deletions
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#%% Import all the stuff, load data, define constants
from load_data import load_files
import pandas as pd
from tensorflow import keras
from utils.normalize import normalize
import tensorflow as tf
from utils.visualize import visualize_loss
data = load_files('data/', True)
data.reset_index(drop=True, inplace=True)
data = data[[column for column in data.columns if not column.endswith('volume')]]
data = data[["BTC_returns", "BTC_mom_10", "BTC_mom_20", "BTC_mom_30", "BTC_vol_10", "BTC_mom_20", "BTC_vol_20"]]
ticker_to_predict = 'BTC_mom_10'
learning_rate = 0.002
batch_size = 128
epochs = 100
split_fraction = 0.715
train_split = int(split_fraction * int(data.shape[0]))
past = 100
future = 11
start = past + future
end = start + train_split
#%% split data into training - validation sets
train_data = data.loc[0 : train_split - 1]
val_data = data.loc[train_split:]
#%% create features and target for training set & keras dataset
x_train = normalize(train_data).values
# x_train = normalize(train_data).drop(ticker_to_predict, axis=1).values
y_train = normalize(data).iloc[start:end][ticker_to_predict].values
dataset_train = keras.preprocessing.timeseries_dataset_from_array(
x_train,
y_train,
sequence_length=past,
batch_size=batch_size,
)
#%% create features and target for validation set & keras dataset
x_end = len(val_data) - past - future
label_start = train_split + past + future
x_val = normalize(val_data).iloc[:x_end].values
# x_val = normalize(val_data).iloc[:x_end].drop(ticker_to_predict, axis=1).values
y_val = normalize(data).iloc[label_start:][ticker_to_predict].values
dataset_val = keras.utils.timeseries_dataset_from_array(
x_val,
y_val,
sequence_length=past,
batch_size=batch_size,
)
#%%
for batch in dataset_train.take(10):
batch_inputs, batch_targets = batch
print("Input shape:", batch_inputs.shape)
print("Target shape:", batch_targets.shape)
print(batch_inputs)
print(batch_targets)
# %%
model = keras.Sequential()
model.add(keras.layers.Dense(units = 50, activation = 'sigmoid', input_shape=(batch_inputs.shape[1], batch_inputs.shape[2])))
model.add(keras.layers.Dropout(0.4))
model.add(keras.layers.Dense(units = 10, activation = 'sigmoid'))
model.add(keras.layers.Dropout(0.4))
model.add(keras.layers.Dense(units = 3, activation = 'sigmoid'))
model.add(keras.layers.Dense(units = 1))
optimizer = keras.optimizers.Adam(learning_rate=learning_rate, clipnorm=1.0)
model.compile(optimizer=optimizer, loss="mean_squared_error")
model.summary()
# %%
path_checkpoint = "model_checkpoint.h5"
history = model.fit(
dataset_train,
epochs=epochs,
validation_data=dataset_val,
)
# %%
visualize_loss(history, "Training and Validation Loss")