qq_38882117的博客

import pandas as pd #参数初始化 inputfile = '../data/principal_component.xls' outputfile = '../tmp/dimention_reducted.xls' #降维后的数据 data = pd.read_excel(inputfile, header = None) #读入数据 from sklearn.deco...

P99 本章记得安装`tensorflow模块，否则报错 问题出处 model=Sequential() model.add(Dense(3,10)) model.add(Activation('relu')) model.add(Dense(10,1)) model.add(Activation('sigmoid')) Dense` can accept only 1 position...

代码来自《Python数据分析与实战》  import matplotlib.pyplot as plt plt.rcParams['font.sans-serif'] = ['SimHei'] plt.rcParams['axes.unicode_minus']=False#显示负号 plt.figure()#产出图 data.plot(kind='bar') plt.ylabel(u'盈...

代码来自《Python数据分析与实战》 import pandas as pd catering_sale='../data/catering_sale_all.xls' data=pd.read_excel(catering_sale,index_col=u'日期') data.corr()#corr()计算数据样本的相关矩阵系数 data.corr()[u'百合酱蒸凤爪']#只显示'百...

import pandas as pd from scipy .interpolate import lagrange#导入拉格朗日插值函数 inputfile='../data/catering_sale.xls' outputfile='../tmp/sales.xls'#输出路径数据 data=pd.read_excel(inputfile) data[u'销量'][(data[u'销...

import pandas as pd import numpy as np datafile='../data/normalization_data.xls'#参数初始化 data=pd.read_excel(datafile,header=None)#读取数据 (data-data.min())/(data.max()-data.min())#最小最大规范化 (data-data.min...

import pandas as pd datafile = '../data/discretization_data.xls' #参数初始化 data = pd.read_excel(datafile) #读取数据 data = data[u'肝气郁结证型系数'].copy() k = 4 d1 = pd.cut(data, k, labels = range(k)) #等宽离散化，各个类...

#线损率=(供入电量-供出电量)/供入电量*100% #线损率属性构造 import pandas as pd inputfile='../data/electricity_data.xls' outputfile='../tmp/electricity_data.xls' data=pd.read_excel(inputfile) data[u'线损率']=(-data[u'供出电量'])...

#参数初始化 inputfile= '../data/leleccum.mat' #提取自Matlab的信号文件 from scipy.io import loadmat #mat是MATLAB专用格式，需要用loadmat读取它 mat = loadmat(inputfile) signal = mat['leleccum'][0] import pywt #导入PyWavelets(信号...

import pandas as pd filename='../data/sales_data.xls' data=pd.read_excel(filename,index_col=u'序号') data[data==u'好']=1 data[data==u'是']=1 data[data==u'高']=1 data[data!=1]=-1 x=data.iloc[:,:3].as_mat...