的数据帧我有含时间列出了.csv
-file的图形跨越这样的:情节时间戳
00:00:00.000580;00:00:00.000893;00:00:00.001355;00:00:00.001767;00:00:00.001973;00:00:00.002694; 00:00:00.000069;00:00:00.000689;00:00:00.000873;00:00:00.001097;00:00:00.001920;00:00:00.002563; 00:00:00.000812;00:00:00.001307;00:00:00.001701;00:00:00.002561;00:00:00.003196;00:00:00.003600; 00:00:00.000702;00:00:00.001229;00:00:00.001750;00:00:00.002014;00:00:00.002633;00:00:00.003152; 00:00:00.000776;00:00:00.001774;00:00:00.001989;00:00:00.002115;00:00:00.002504;00:00:00.003228;
...
我想用一个jupyter笔记本和熊猫在这个文件和打印阅读数据的简单图形。这是我使用的代码:
import pandas as pd
inputFile = "D:\\times.csv"
names = ['First', 'Second', 'Third', 'Fourth', 'Fivth', 'Sixth']
usecols = [0,1,2,3,4,5]
data = pd.read_csv(inputFile, usecols=usecols, sep=';', header=None, names=names, parse_dates=True)
#data.head()
data.plot.bar()
每当我跑我的NOTBOOK,我得到一个错误信息
TypeError: Empty 'DataFrame': no numeric data to plot
看来CSV文件导入正确,因为我可以写出来的我的DataFrame
使用的内容,它看起来没问题。
我需要做什么才能从我的数据绘制图表?
编辑:
这是我从data.info()
得到:
RangeIndex: 200 entries, 0 to 199
Data columns (total 6 columns):
First 200 non-null object
Second 200 non-null object
Third 200 non-null object
Fourth 200 non-null object
Fivth 200 non-null object
Sixth 200 non-null object
dtypes: object(6)
memory usage: 9.5+ KB
什么是data.info()告诉你? – Boud
我将'data.info()'输出添加到问题中。 – DIF