李凤五

摘要： #MNIST数据集 # coding: utf-8 # In[2]: import tensorflow as tf from tensorflow.examples.tutorials.mnist import input_data # In[3]: #载入数据集 mnist = input_data.read_data_sets("MNIST_data",one_hot=True)... 阅读全文

摘要： #!/usr/bin/env python # -*- coding:utf-8 -*- from numpy import * #创建一个设置的单词列表 def createVocabList(dataSet): vocabSet=set([]) for docment in dataSet: vocabSet=vocabSet| set(docment) #... 阅读全文

摘要： #!/usr/bin/env python # -*- coding:utf-8 -*- import numpy as np import pandas as pd import re df = pd.read_csv("HillaryEmails.csv") df = df[['Id','ExtractedBodyText']].dropna()#保留这两个信息，其他的扔掉 #文本预处理 d... 阅读全文

摘要： #!/usr/bin/env python # -*- coding:utf-8 -*- """ str1 = 'as,gh,rt,ujrk' str2 = ',' str1 = str1[str1.find(str2)+1:] print(str1) s='as,gh,rt,ujrk' print(s.split(',')) import re pattern = re.compile(r'h... 阅读全文

摘要： #!/usr/bin/env python # -*- coding:utf-8 -*- import urllib.request#这里必须要加request import urllib.parse import requests import sys #sys.Setdefaultencoding('utf-8') import urllib import json import time ... 阅读全文

摘要： #coding: utf-8 ''' 用keras写的google Wide&&Deep model ''' import pandas as pd from keras.models import Sequential from keras.layers import Dense, merge from sklearn.preprocessing import MinMaxScaler #... 阅读全文

摘要： #!/usr/bin/env python # -*- coding:utf-8 -*- import tensorflow as tf import numpy as np import matplotlib.pyplot as plt #非线性回归 #使用numpy生成200个随机点 x_data = np.linspace(-0.5,0.5,200)[:,np.newaxis]#均匀分布 ... 阅读全文

摘要： import tensorflow as tf #创建一个常量po m1 = tf.constant([[3,3]]) m2 = tf.constant([[2],[3]]) product = tf.matmul(m1,m2) print(product) #定义一个会话，启动默认图 sess = tf.Session() #调用sess的run方法 #run(product)触发了图中的三个... 阅读全文

摘要： #!/usr/bin/env python # -*- coding:utf-8 -*- import numpy as np import pandas as pd import seaborn as sns from scipy import stats import matplotlib as mpl import matplotlib.pyplot as plt #热度图heatmap ... 阅读全文

摘要： #!/usr/bin/env python # -*- coding:utf-8 -*- import numpy as np import pandas as pd import seaborn as sns from scipy import stats import matplotlib as mpl import matplotlib.pyplot as plt sns.set(sty... 阅读全文