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我想用matplotlib开发烛台图表,但由于某些原因,日期不会在x轴上显示。在stackoverflow搜索后,我明白日期需要转换为浮点数,所以我转换它们,但仍然无法正常工作。新的Python和matplotlib。任何帮助将不胜感激。如何在matplotlib x轴中显示日期而不是序号
import pandas as pd
import numpy as np
import matplotlib.pyplot as plt
from matplotlib.finance import candlestick2_ohlc
import matplotlib.dates as dts
import matplotlib.ticker as mTicker
from datetime import datetime
my_file=pd.read_csv("C:\\path\\to\\file\\file.csv",sep=",",names=['Date','Open','High','Low','Close','AdjClose','Volume'],skiprows=1)
dateseries=[]
for i in my_file['Date']:
dateseries.append(dts.date2num(datetime.strptime(i,'%Y-%m-%d')))
print(dateseries)
fig,ax1=plt.subplots()
candlestick2_ohlc(ax1,my_file['Open'], my_file['High'],my_file['Low'], my_file['Close'], width=0.7,colorup='#008000', colordown='#FF0000')
plt.show()
的样本数据:
Date,Open,High,Low,Close,Volume1,Volume2
2017-05-08,149.029999,153.699997,149.029999,153.009995,153.009995,48752400
2017-05-09,153.869995,154.880005,153.449997,153.990005,153.990005,39130400
2017-05-10,153.630005,153.940002,152.110001,153.259995,153.259995,25805700
您需要设置“日期”,以大熊猫数据帧索引。加载文件后,请尝试: my_file = my_file.set_index('Date')。不需要日期系列的东西。 –
感谢评论@Geoff。我试着将日期设置为索引,但它不起作用 – Yogamurthy