摘要：
# -*- coding: utf-8 -*- # 代码11-1 import os import pandas as pd # 修改工作路径到指定文件夹 os.chdir("D:/chapter11/demo") # 第一种连接方式 from sqlalchemy import create_en 阅读全文
posted @ 2023-04-02 22:54
又双叒叕萤
阅读(20)
评论(0)
推荐(0)
摘要：
import pandas as pd import matplotlib.pyplot as plt inputfile ='E:\数据分析\Python书记分析与挖掘实战（第二版）数据\chapter10\demo\data\original_data.xls' #'./demo/data/or 阅读全文
posted @ 2023-03-27 15:26
又双叒叕萤
阅读(34)
评论(0)
推荐(0)
摘要：
# 代码8-1 查看数据特征 import numpy as np import pandas as pd inputfile = '../data/GoodsOrder.csv' # 输入的数据文件 data = pd.read_csv(inputfile,encoding = 'gbk') # 阅读全文
posted @ 2023-03-19 23:21
又双叒叕萤
阅读(34)
评论(0)
推荐(0)
摘要：
一、 # -*- coding: utf-8 -*- """ Created on Sun Mar 12 22:17:04 2023 @author: 又双叒叕莹 """ import numpy as np import matplotlib.pyplot as plt from datetime 阅读全文
posted @ 2023-03-12 21:57
又双叒叕萤
阅读(18)
评论(0)
推荐(0)
摘要：
#-*- coding: utf-8 -*- # 代码6-1 import numpy as np import pandas as pd inputfile = '../data/data.csv' # 输入的数据文件 data = pd.read_csv(inputfile) # 读取数据 # 阅读全文
posted @ 2023-03-05 19:44
又双叒叕萤
阅读(40)
评论(0)
推荐(0)
摘要：
画饼图： # -*- coding: utf-8 -*-"""Spyder Editor This is a temporary script file.""" import pandas as pdimport numpy as np#import seaborn as import matplo 阅读全文
posted @ 2023-02-26 19:37
又双叒叕萤
阅读(253)
评论(0)
推荐(0)
摘要：
一、基于Tensorflow的VGGNet-分类实现 # -*- coding: utf-8 -*- """ Created on Mon May 9 17:27:05 2022 @author: 又双叒叕莹 """ import tensorflow as tf from tensorflow i 阅读全文
posted @ 2022-05-16 00:11
又双叒叕萤
阅读(185)
评论(0)
推荐(0)
摘要：
# -*- coding: utf-8 -*- """ Created on Mon Apr 25 00:23:34 2022 @author: 又双叒叕莹 """ import tensorflow as tf from tensorflow import keras import matplot 阅读全文
posted @ 2022-04-25 00:25
又双叒叕萤
阅读(58)
评论(0)
推荐(0)
摘要：
import pandas as pd import numpy as np import matplotlib.pyplot as plt def sigmoid(x): # 定义网络激活函数 return 1/(1+np.exp(-x)) data_tr = pd.read_csv(r'E:\1 阅读全文
posted @ 2022-03-18 17:51
又双叒叕萤
阅读(131)
评论(0)
推荐(0)
摘要：
手工搭建神经网络 import numpy as np import scipy.special import pylab import matplotlib.pyplot as plt #%% class NeuralNetwork(): # 初始化神经网络 def __init__(self, 阅读全文
posted @ 2022-03-18 17:26
又双叒叕萤
阅读(117)
评论(0)
推荐(0)
浙公网安备 33010602011771号