def run():
fruits = CData(gyumpath, gyumindeps, feature=TAXLEVEL, cross_val=CROSSVAL)
fruits.transformation = (TRANSFORMATION, TRANSFORMATION_PARAM)
network = build_net(*fruits.neurons_required)
testing = fruits.table("testing")
zsind = CData(zsindpath, zsindeps, cross_val=0.0, feature=TAXLEVEL)
vx, vy = zsind.learning, zsind.lindeps
vx = fruits.transformation(vx)
vy = fruits.embed(vy)
initc, initacc = network.evaluate(*testing, verbose=0)
initc, initacc = round(initc, 5), round(initacc, 5)
print("Initial cost: {}\tacc: {}".format(initc, initacc))
X, y = fruits.table("learning")
network.fit(X,
y,
batch_size=20,
nb_epoch=400,
validation_data=testing,
verbose=0)
tacc = network.evaluate(*testing, batch_size=fruits.n_testing,
verbose=0)[-1]
vacc = network.evaluate(vx, vy, verbose=0)[-1]
# batchgen = fruits.batchgen(100, infinite=True)
# log = network.fit_generator(batchgen, fruits.N, nb_epoch=15, validation_data=valid, verbose=verbose)
print("T: {}\tV: {}".format(tacc, vacc))
return tacc, vacc
def full_training(validate=True, dump_weights=False):
fruits = CData(gyumpath, gyumindeps, feature=TAXLEVEL, cross_val=0.0)
fruits.transformation = (TRANSFORMATION, TRANSFORMATION_PARAM)
network = build_net(*fruits.neurons_required)
X, y = fruits.table("learning")
network.fit(X, y, batch_size=30, nb_epoch=500, verbose=0)
if dump_weights:
weights = network.layers[0].get_weights()
wghts = open("weights.csv", "w")
wghts.write("\n".join([
"\t".join([str(float(cell)) for cell in line])
for line in weights[0].T
]).replace(".", ","))
wghts.close()
if validate:
vx, vy = CData(zsindpath, zsindeps, cross_val=0.0, feature=TAXLEVEL)
vx = fruits.transformation(vx)
vy = fruits.embed(vy)
vacc = network.evaluate(vx, vy, batch_size=len(vy), verbose=0)[-1]
probs = network.predict_proba(vx, verbose=0)
preds = network.predict_classes(vx, verbose=0)
print("ANN validation accuracy:", vacc)
return probs, preds, vy, fruits
def get_data():
fruits = CData(gyumpath,
gyumindeps,
feature=TAXLEVEL,
cross_val=CROSSVAL)
fruits.transformation = (AFTER_TREATMENT, TRANSFORM_PARAM)
zsind = CData(zsindpath,
zsindeps,
feature=TAXLEVEL,
cross_val=0,
transformation=None,
param=None)
lX, lY = fruits.learning, fruits.lindeps
tX, tY = fruits.testing, fruits.tindeps
vX, vY = zsind.learning, zsind.lindeps
vX = fruits.transformation(vX)
return lX, lY, tX, tY, vX, vY
def pull_data(crossval):
from csxdata import CData, roots
from csxdata.utilities.parser import parse_csv
table = parse_csv(roots["csvs"] + "sum_ntab.csv", indeps=7)
data, labels, headers = table
labels = labels[..., -1].astype("float32")
data = CData((data[..., -11:], labels), cross_val=crossval)
data.transformation = "std"
return data
def experiment(mode):
mode = mode.lower()[0]
if mode.lower()[0] == "c":
chain = "Convolutional"
elif mode.lower()[0] == "f":
chain = "Fully Connected"
else:
raise RuntimeError("Wrong mode definition!")
print("Experiment: MNIST classification with {} Neural Network!".format(chain))
net = get_fcnn() if mode == "f" else get_cnn()
mnist = CData(mnist_to_lt(miscpath, (True if mode == "c" else False)))
mnist.transformation = "standardization"
net.fit(mnist.data, mnist.indeps, batch_size=20, nb_epoch=30, verbose=1,
validation_split=0.2, show_accuracy=True)
def get_frame(pretreat="std", param=0):
path, indps = paths["grapes"]
frame = CData(path, indps, headers=1, feature="borregio", lower=True)
frame.transformation = (pretreat, param)
return frame
ae.fit(grapes.testing, grapes.testing, epochs=300, verbose=0)
ae.prediction(grapes.learning)
eX = ae.layers[2].output
trGrapes = CData((eX, grapes.lindeps), headers=None)
full_run(trGrapes)
def neural_switcharoo(grapes):
model = Network(input_shape=grapes.neurons_required[0], name="GrapesNet")
model.add(DenseLayer(60, activation="tanh"))
model.add(DenseLayer(grapes.neurons_required[1], activation="sigmoid"))
model.finalize(cost="xent", optimizer="adam")
model.describe(1)
model.fit(*grapes.table("testing"), epochs=300, monitor=["acc"], verbose=0)
model.prediction(grapes.learning)
trX = model.layers[-2].output
trGrapes = CData((trX, grapes.lindeps), headers=None)
full_run(trGrapes)
if __name__ == '__main__':
dframe = CData(path, indepsn, headers=1, feature="borregio", lower=True)
dframe.transformation = "std"
autoencoder(dframe)
# from sklearn.ensemble import AdaBoostClassifier as Boost
from sklearn.ensemble.bagging import BaggingClassifier as Boost
from sklearn.naive_bayes import GaussianNB
from csxdata import CData
from SciProjects.grapes import path, indepsn
if __name__ == '__main__':
data = CData(path,
indepsn,
feature="evjarat",
headers=1,
cross_val=0.2,
lower=True)
data.transformation = "std"
model = Boost(GaussianNB(), n_estimators=100)
model.fit(data.learning, data.lindeps)
preds = model.predict(data.testing)
eq = [left == right for left, right in zip(preds, data.tindeps)]
print("Acc:", sum(eq) / len(eq))
def pull_mnist_data():
mnist = CData(roots["misc"] + "mnist.pkl.gz", cross_val=0.18)
mnist.transformation = "std"
return mnist
from sklearn.ensemble import RandomForestClassifier as RF
from csxdata import CData
from SciProjects.fruits import *
LABEL = "Familia"
rf = RF(n_estimators=100, n_jobs=1)
fruits = CData(gyumpath, gyumindeps, cross_val=0.2, feature=LABEL)
fruits.transformation = ("lda", 5)
zsind = CData(zsindpath, zsindeps, cross_val=0.0)
valid = fruits.transformation(zsind.learning, zsind.lindeps)
rf.fit(fruits.learning, fruits.lindeps)
tpredict = rf.predict(fruits.testing)
vpredict = rf.predict(valid[0])
tacc = [right == left for right, left in zip(tpredict, fruits.tindeps)]
vacc = [right == left for right, left in zip(vpredict, valid[1])]
print("TPredictions ({}%):\n{}".format(int(100 * sum(tacc) / len(tacc)),
tpredict))
print("TestingY:\n", fruits.tindeps)
print("VPredictions ({}%):\n{}".format(int(100 * sum(vacc) / len(vacc)),
vpredict))
print("ValidY:\n", valid[1])
def get_frame(transf, params):
path, indepsn = paths["grapes"]
grapes = CData(path, indepsn, headers=1, feature=FEATURE, lower=True)
grapes.transformation = (transf, params)
return grapes
