的數據幀我有含時間列出了.csv
-file的圖形跨越這樣的:情節時間戳
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;
...
我想用一個jupyter筆記本和熊貓在這個文件和打印閱讀數據的簡單圖形。這是我使用的代碼:
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()
每當我跑我的NOTBOOK,我得到一個錯誤信息
TypeError: Empty 'DataFrame': no numeric data to plot
看來CSV文件導入正確,因爲我可以寫出來的我的DataFrame
使用的內容,它看起來沒問題。
我需要做什麼才能從我的數據繪製圖表?
編輯:
這是我從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
什麼是data.info()告訴你? – Boud
我將'data.info()'輸出添加到問題中。 – DIF