I am trying to convert separate arrays of YY, MM, DD values to a numpy datetime64 array. Here is the code
import numpy as np
iyy = [2020, 2020, 2019, 2018, 2017]
imm = [2, 4, 4, 6, 8]
idd = [1, 2, 3, 4, 5]
isod = []
for y, m, d in zip(iyy, imm, idd):
isod.append("%4d-%02d-%02d" % (y, m, d))
t1 = np.datetime64(np.asarray(isod))
This gives the error Could not convert object to NumPy datetime. Would appreciate any suggestions for achieving this. Thanks in advance
Change
np.datetime64(np.asarray(isod))
to
np.asarray(isod).astype(np.datetime64)
Full code:
import numpy as np
iyy = [2020, 2020, 2019, 2018, 2017]
imm = [2, 4, 4, 6, 8]
idd = [1, 2, 3, 4, 5]
isod = []
for y, m, d in zip(iyy, imm, idd):
isod.append("%4d-%02d-%02d" % (y, m, d))
t1 = np.asarray(isod).astype(np.datetime64)
print(t1)
Output:
['2020-02-01' '2020-04-02' '2019-04-03' '2018-06-04' '2017-08-05']
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