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model2 = Sequential() | |
model2.add(Flatten(input_shape=(7,7,512))) | |
model2.add(Dense(100, activation='relu')) | |
model2.add(Dropout(0.5)) | |
model2.add(BatchNormalization()) | |
model2.add(Dense(10, activation='softmax')) | |
# compile the model | |
model2.compile(optimizer='adam', metrics=['accuracy'], loss='categorical_crossentropy') |
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from keras.models import Sequential | |
from keras.layers import Conv2D, MaxPool2D, Flatten, Dense, InputLayer, BatchNormalization, Dropout | |
# build a sequential model | |
model = Sequential() | |
model.add(InputLayer(input_shape=(224, 224, 3))) | |
# 1st conv block | |
model.add(Conv2D(25, (5, 5), activation='relu', strides=(1, 1), padding='same')) | |
model.add(MaxPool2D(pool_size=(2, 2), padding='same')) |
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from keras.preprocessing.image import ImageDataGenerator | |
# create a new generator | |
imagegen = ImageDataGenerator() | |
# load train data | |
train = imagegen.flow_from_directory("imagenette2/train/", class_mode="categorical", shuffle=False, batch_size=128, target_size=(224, 224)) | |
# load val data | |
val = imagegen.flow_from_directory("imagenette2/val/", class_mode="categorical", shuffle=False, batch_size=128, target_size=(224, 224)) |
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imagenette_map = { | |
"n01440764" : "tench", | |
"n02102040" : "springer", | |
"n02979186" : "casette_player", | |
"n03000684" : "chain_saw", | |
"n03028079" : "church", | |
"n03394916" : "French_horn", | |
"n03417042" : "garbage_truck", | |
"n03425413" : "gas_pump", | |
"n03445777" : "golf_ball", |
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# keras imports for the dataset and building our neural network | |
from keras.datasets import cifar10 | |
from keras.models import Sequential | |
from keras.layers import Dense, Dropout, Conv2D, MaxPool2D, Flatten | |
from keras.utils import np_utils | |
# loading the dataset | |
(X_train, y_train), (X_test, y_test) = cifar10.load_data() | |
# # building the input vector from the 32x32 pixels |
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# keras imports for the dataset and building our neural network | |
from keras.datasets import mnist | |
from keras.models import Sequential | |
from keras.layers import Dense, Dropout, Conv2D, MaxPool2D, Flatten | |
from keras.utils import np_utils | |
# to calculate accuracy | |
from sklearn.metrics import accuracy_score | |
# loading the dataset |
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# keras imports for the dataset and building our neural network | |
from keras.datasets import mnist | |
from keras.models import Sequential | |
from keras.layers import Dense, Dropout, Conv2D, MaxPool2D | |
from keras.utils import np_utils | |
# Flattening the images from the 28x28 pixels to 1D 787 pixels | |
X_train = X_train.reshape(60000, 784) | |
X_test = X_test.reshape(10000, 784) |
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import re | |
import nltk | |
nltk.download('stopwords') | |
# download stopwords list from nltk | |
from nltk.corpus import stopwords | |
stop_words = set(stopwords.words('english')) | |
def clean_text(text): |
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import re | |
re.findall(r"(\d{4})-(\d{2})-(\d{2})", date) |
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html = """<table class="vertical-navbox nowraplinks" style="float:right;clear:right;width:22.0em;margin:0 0 1.0em 1.0em;background:#f9f9f9;border:1px solid #aaa;padding:0.2em;border-spacing:0.4em 0;text-align:center;line-height:1.4em;font-size:88%"><tbody><tr><th style="padding:0.2em 0.4em 0.2em;font-size:145%;line-height:1.2em"><a href="/wiki/Machine_learning" title="Machine learning">Machine learning</a> and<br /><a href="/wiki/Data_mining" title="Data mining">data mining</a></th></tr><tr><td style="padding:0.2em 0 0.4em;padding:0.25em 0.25em 0.75em;"><a href="/wiki/File:Kernel_Machine.svg" class="image"><img alt="Kernel Machine.svg" src="//upload.wikimedia.org/wikipedia/commons/thumb/f/fe/Kernel_Machine.svg/220px-Kernel_Machine.svg.png" decoding="async" width="220" height="100" srcset="//upload.wikimedia.org/wikipedia/commons/thumb/f/fe/Kernel_Machine.svg/330px-Kernel_Machine.svg.png 1.5x, //upload.wikimedia.org/wikipedia/commons/thumb/f/fe/Kernel_Machine.svg/440px-Kernel_Machine.svg.png 2x" data-file-widt |
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