
tensorflow-DNN-ML
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tensorflow 入门
import tensorflow as tfimport numpy as npx_data =np.random.rand(100).astype(np.float32)y_data=x_data*0.1 +0.3Weights=tf.Variable(tf.random_uniform([1],-1.0,1.0))biases=tf.Variable(tf.zeros([1])...原创 2018-04-18 22:00:29 · 175 阅读 · 0 评论 -
tensorflow卷积神经网络Model模板
添加了4个卷积,每个卷积后边跟了池化层,最后加了3个全连接层。def model(input_tensor, train, regularizer): with tf.variable_scope('layer1-conv1'): # 定义一个作用域:layer1-conv1,在该作用域下面可以定义相同名称的变量(用于变量) conv1_w...原创 2018-07-21 21:05:29 · 787 阅读 · 0 评论 -
Tensorlfow保存模型
import tensorflow as tf# 声明两个变量v1 = tf.Variable(tf.random_normal([1, 2]), name="v1")v2 = tf.Variable(tf.random_normal([2, 3]), name="v2")init_op = tf.global_variables_initializer() # 初始化全部变量sav...原创 2018-07-23 23:00:48 · 510 阅读 · 0 评论 -
Pyrhon3+Tensorflow+泰坦尼克号数据集(数据预处理+预测)
import tensorflow as tfimport numpy as npimport pandas as pd#数据预处理def read_data(): data=pd.read_csv('train.csv') #pandas 读取 data=data.fillna(0) #NAN 填入0 datax=data[['Sex', 'Ag...原创 2018-04-27 13:13:27 · 2126 阅读 · 0 评论 -
Tensorflow 神经网络(预测 )
import pandas as pddef make_data(): col_names = ["ID","K1K2驱动信号","电子锁驱动信号","急停信号","门禁信号","THDV-M","THDI-M","label"] data = pd.read_csv("data_train.csv",nam原创 2018-05-03 22:17:30 · 1957 阅读 · 2 评论 -
Numpy基础创建方法,[:,newaxiis] 增加纬度
>> x = np.arange(3)>> xarray([0, 1, 2])>> x.shape(3,)>> x[:, np.newaxis]array([[0], [1], [2]])>> x[:, None]array([[0], [1], [2]])&...原创 2018-04-20 17:34:14 · 399 阅读 · 0 评论 -
tensorflow 搭建神经网络
import tensorflow as tfimport numpy as npdef add_layer(inputs, in_size, out_size, activation_function=None): Weights = tf.Variable(tf.random_normal([in_size, out_size])) biases = tf.Variable...原创 2018-04-19 17:34:42 · 203 阅读 · 0 评论 -
Keras迁移学习(一)(识别花的种类)(精)
from keras.applications.inception_v3 import InceptionV3from keras.models import Modelfrom keras.layers import Dense, GlobalAveragePooling2D,Flattenfrom skimage import io, transformimport globimp...原创 2019-10-08 23:36:45 · 329 阅读 · 0 评论