dtype.kind
A character code (one of ‘biufcmMOSUV’) 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 |
U | Unicode |
V | void |
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Licensed under the NumPy License.
https://docs.scipy.org/doc/numpy-1.11.0/reference/generated/numpy.dtype.kind.html