一.Matplotlib[结果可视化] #import os #os.environ['TF_CPP_MIN_LOG_LEVEL'] = '2' import tensorflow as tf import numpy as np import matplotlib.pyplot as plt #添加一个神经层,定义添加神经层的函数 def add_layer(inputs, in_size, out_size, activation_function = None): Weights =…
一.TensorFlow中的优化器 tf.train.GradientDescentOptimizer:梯度下降算法 tf.train.AdadeltaOptimizer tf.train.AdagradOptimizer tf.train.MomentumOptimizer:动量梯度下降算法 tf.train.AdamOptimizer:自适应矩估计优化算法 tf.train.RMSPropOptimizer tf.train.AdagradDAOptimizer tf.train.FtrlO…
一.机器学习算法分类: 监督学习:提供数据和数据分类标签.--分类.回归 非监督学习:只提供数据,不提供标签. 半监督学习 强化学习:尝试各种手段,自己去适应环境和规则.总结经验利用反馈,不断提高算法质量 遗传算法:淘汰弱者,留下强者,进行繁衍和变异穿产生更好的算法. 二.选择机器学习算法和数据集 sklearn中有很多真实的数据集可以引入,也可以根据自己的需求自动生成多种数据集.对于数据集可以对其进行归一化处理. sklearn中的有着多种多样的算法,每一种算法都有其适用的场合.不同的属性和功…
# View more python tutorials on my Youtube and Youku channel!!! # Youtube video tutorial: https://www.youtube.com/channel/UCdyjiB5H8Pu7aDTNVXTTpcg # Youku video tutorial: http://i.youku.com/pythontutorial """ Please note, this code is only…
# View more python learning tutorial on my Youtube and Youku channel!!! # Youtube video tutorial: https://www.youtube.com/channel/UCdyjiB5H8Pu7aDTNVXTTpcg # Youku video tutorial: http://i.youku.com/pythontutorial """ Please note, this code…
# View more python learning tutorial on my Youtube and Youku channel!!! # Youtube video tutorial: https://www.youtube.com/channel/UCdyjiB5H8Pu7aDTNVXTTpcg # Youku video tutorial: http://i.youku.com/pythontutorial """ Please note, this code…
# View more python learning tutorial on my Youtube and Youku channel!!! # Youtube video tutorial: https://www.youtube.com/channel/UCdyjiB5H8Pu7aDTNVXTTpcg # Youku video tutorial: http://i.youku.com/pythontutorial """ Please note, this code…
# View more python learning tutorial on my Youtube and Youku channel!!! # Youtube video tutorial: https://www.youtube.com/channel/UCdyjiB5H8Pu7aDTNVXTTpcg # Youku video tutorial: http://i.youku.com/pythontutorial """ Please note, this code…
#调用查看线性回归的几个属性 # Youtube video tutorial: https://www.youtube.com/channel/UCdyjiB5H8Pu7aDTNVXTTpcg # Youku video tutorial: http://i.youku.com/pythontutorial """ Please note, this code is only for python 3+. If you are using python 2+, please…
# View more python learning tutorial on my Youtube and Youku channel!!! # Youtube video tutorial: https://www.youtube.com/channel/UCdyjiB5H8Pu7aDTNVXTTpcg # Youku video tutorial: http://i.youku.com/pythontutorial """ Please note, this code…