在 Beckhoff TwinCAT Scope 中记录数据后,可以将该数据导出为 CSV 文件。然而,所述 CSV 文件具有相当复杂的格式。任何人都可以建议将此类文件导入熊猫数据框的最有效方法,以便我可以执行分析吗?
可以在此处找到格式示例:https : //infosys.beckhoff.com/english.php?content=../content/1033/tcscope2/html/TwinCATScopeView2_Tutorial_SaveExport.htm&id=
无需编写自定义解析器。使用示例数据scope_data.csv
:
Name,fasd,,,,
File,C;\,,,,
Start,dfsd,,,,
,,,,,
,,,,,
Name,Peak,Name,PULS1,Name,SINUS_FAST
Net id,123.123.123,Net id,123.123.124,Net Id,123.123.125
Port,801,Port,801,Port,801
,,,,,
0,0.6113936598,0,0.07994111349,0,0.08425652468
0,0.524852539,0,0.2051963401,0,0.4391185847
0,0.4993723482,0,0.2917317117,0,0.4583736263
0,0.5976553194,0,0.8675482865,0,0.8435987898
0,0.06087224998,0,0.7933980583,0,0.5614294705
0,0.1967968423,0,0.3923966599,0,0.1951608414
0,0.9723649064,0,0.5187276782,0,0.7646786192
您可以按如下方式导入:
import pandas as pd
scope_data = pd.read_csv(
"scope_data.csv",
skiprows=[*range(5), *range(6, 9)],
usecols=[*range(1, 6, 2)]
)
然后你得到
>>> scope_data.head()
Peak PULS1 SINUS_FAST
0 0.611394 0.079941 0.084257
1 0.524853 0.205196 0.439119
2 0.499372 0.291732 0.458374
3 0.597655 0.867548 0.843599
4 0.060872 0.793398 0.561429
我没有原始范围的 csv,但稍微调整一下skiprows
,use_cols
应该会给你想要的结果。
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