摘要: import osimport pandas as pd # 修改工作路径到指定文件夹os.chdir("E:/桌面") # # 第一种连接方式# from sqlalchemy import create_engine # engine = create_engine('mysql+pymysql 阅读全文
posted @ 2023-04-20 23:38 广师大王信凯 阅读(46) 评论(0) 推荐(0)
摘要: import pandas as pdimport matplotlib.pyplot as plt inputfile = 'E:\桌面\original_data.xls' # 输入的数据文件data = pd.read_excel(inputfile) # 读取数据 # 查看有无水流的分布# 阅读全文
posted @ 2023-04-03 01:37 广师大王信凯 阅读(37) 评论(0) 推荐(0)
摘要: # 查看数据特征 import numpy as npimport pandas as pd inputfile = 'C:/Users/admin/Desktop/GoodsOrder.csv' # 输入的数据文件data = pd.read_csv(inputfile,encoding = 'g 阅读全文
posted @ 2023-04-03 01:11 广师大王信凯 阅读(51) 评论(0) 推荐(0)
摘要: import pandas as pddatafile='E:/桌面/air_data.csv'resultfile='E:/桌面/explore.csv'data=pd.read_csv(datafile,encoding='utf-8')explore=data.describe(percent 阅读全文
posted @ 2023-03-12 22:23 广师大王信凯 阅读(23) 评论(0) 推荐(0)
摘要: import pandas as pddatafile=r'C:\Users\admin\Desktop\air_data.csv'resultfile=r'C:\Users\admin\Desktop\explore.csv'data=pd.read_csv(datafile,encoding=' 阅读全文
posted @ 2023-03-08 11:28 广师大王信凯 阅读(32) 评论(0) 推荐(0)
摘要: import pandas as pd import numpy as np import matplotlib.pyplot as plt import seaborn as sns plt.rcParams['font.sans-serif'] = ['SimHei'] #解决中文显示问题 pl 阅读全文
posted @ 2023-03-06 09:51 广师大王信凯 阅读(35) 评论(0) 推荐(0)
摘要: import pandas as pdimport matplotlib.pyplot as pltimport numpy as np ##读取数据url = r"E:\桌面\catering_fish_congee(1).xls"data = pd.read_excel(url,names=[' 阅读全文
posted @ 2023-02-26 18:32 广师大王信凯 阅读(24) 评论(0) 推荐(0)
摘要: pytorch import torchimport torch.nn as nnimport torch.nn.functional as F class Net(nn.Module): def __init__(self): super(Net, self).__init__() # 1 inp 阅读全文
posted @ 2022-05-16 17:53 广师大王信凯 阅读(55) 评论(0) 推荐(0)
摘要: Tensor(张量)意味着N维数组,Flow(流)意味着基于数据流图的计算. 数据流图中的图就是我们所说的有向图,我们知道,在图这种数据结构中包含两种基本元素:节点和边.这两种元素在数据流图中有自己各自的作用. TensorFlowd的四个特性: 灵活性 可移植性 多语言支持 高效性 op:接受零个 阅读全文
posted @ 2022-04-25 16:41 广师大王信凯 阅读(122) 评论(0) 推荐(0)
摘要: 1. import pandas as pdimport numpy as npimport 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('C:/U 阅读全文
posted @ 2022-03-21 18:58 广师大王信凯 阅读(42) 评论(0) 推荐(0)