Python Matplotlib轴混乱
我试图找出这张图哪里出了问题,我试图让轴从0-1开始,但这张图是从0.1-0-1开始的,我不太确定哪里出了问题。 csv文件的格式如下: 洗碗机,60,1,1,0,1,0,0.1Python Matplotlib轴混乱,python,numpy,csv,matplotlib,Python,Numpy,Csv,Matplotlib,我试图找出这张图哪里出了问题,我试图让轴从0-1开始,但这张图是从0.1-0-1开始的,我不太确定哪里出了问题。 csv文件的格式如下: 洗碗机,60,1,1,0,1,0,0.1 import matplotlib.pyplot as plt import numpy as np import csv x = np.array([1,2,3,4,5,6]) with open('Test 5.csv', 'r') as csvfile: plots = csv.reader(csv
import matplotlib.pyplot as plt
import numpy as np
import csv
x = np.array([1,2,3,4,5,6])
with open('Test 5.csv', 'r') as csvfile:
plots = csv.reader(csvfile, delimiter=',')
rows = [row for row in plots]
y1=rows[0][2:]
y2=rows[1][2:]
plt.plot(x,y1, label='Washing Machine')
plt.plot(x,y2, label='Dishwasher')
plt.legend()
plt.show()
情节如下:
我能想到的唯一解决方案是反转轴或勾勒y轴的比例,但两者都不起作用您的y值似乎都是字符串,这就是y轴出现故障的原因。在使用以下列表方式打印之前,将其转换为浮动
y1=rows[0][2:]
y2=rows[1][2:]
y1 = [float(i) for i in y1] # <--- convert to float
y2 = [float(i) for i in y2] # <--- convert to float
plt.plot(x,y1, label='Washing Machine')
plt.plot(x,y2, label='Dishwasher')
import pandas as pd
df = pd.read_csv("Test 5.csv")
print(df.columns)
假设数据帧df有两列(洗衣机和洗碗机)。使用matplotlib打印这些列
plt.plot(df.washing_machine.values, label='Washing Machine')
plt.plot(df.dishwasher.values, label='Dishwasher')
plt.legend()
plt.show()
希望,这有帮助。享受编码
plt.plot(df.washing_machine.values, label='Washing Machine')
plt.plot(df.dishwasher.values, label='Dishwasher')
plt.legend()
plt.show()