numpy.dtype.kind

attribute

dtype.kind

A character code (one of ‘biufcmMOSTUV’) identifying the general kind of data.

b	boolean
i	signed integer
u	unsigned integer
f	floating-point
c	complex floating-point
m	timedelta
M	datetime
O	object
S	(byte-)string
T	string (StringDType)
U	Unicode
V	void

Examples

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>>> import numpy as np
>>> dt = np.dtype('i4')
>>> dt.kind
'i'
>>> dt = np.dtype('f8')
>>> dt.kind
'f'
>>> dt = np.dtype([('field1', 'f8')])
>>> dt.kind
'V'

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