import numpy as np
from collections import Counter
data = np.array([1.1,2,3,4,4,5])
Counter(data) # {label:sum(label)}
#简单方法
sum(data==4)
import numpy as np
from collections import Counter
data = np.array([1.1,2,3,4,4,5])
Counter(data) # {label:sum(label)}
#简单方法
sum(data==4)