import os
import numpy as np
os.getcwd()
os.chdir('C:/Users/Gururaj/Desktop/tech/python/')
data = np.genfromtxt("simple.txt", dtype=None, delimiter=",",
names=str(False))
print(data[0])
=========================错误如下=================== ===
ValueError Traceback (most recent call
last)
<ipython-input-34-c2ba85f75012> in <module>()
3 os.getcwd()
4 os.chdir('C:/Users/Gururaj/Desktop/tech/python/')
----> 5 data = np.genfromtxt("simple.txt", dtype=None, delimiter=",",
names=str(False))
6 print(data[0])
C:\ProgramData\Anaconda3\lib\site-packages\numpy\lib\npyio.py in
genfromtxt(fname, dtype, comments, delimiter, skip_header, skip_footer,
converters, missing_values, filling_values, usecols, names, excludelist,
deletechars, replace_space, autostrip, case_sensitive, defaultfmt, unpack,
usemask, loose, invalid_raise, max_rows)
1874 ddtype = list(zip(names, column_types))
1875 mdtype = list(zip(names, [np.bool] * len(column_types)))
-> 1876 output = np.array(data, dtype=ddtype)
1877 if usemask:
1878 outputmask = np.array(masks, dtype=mdtype)
ValueError: size of tuple must match number of fields.
===========================================================
Data in file:
this,is,me,learning
monty,pythons,flying,circus
sounds,exciting,but,hmm
请帮忙,因为我现在才开始学习Python基础知识。
答案 0 :(得分:1)
genfromtxt
文档说:
名称:{None,True,str,sequence}
你把它设置为:
In [689]: str(False)
Out[689]: 'False'
换句话说,你已经告诉它将一个字段命名为'False'。因此,字段数和列数之间不匹配。
我怀疑你想要names=None
,这意味着,不要从文件中获取字段名称。