import numpy as np arr = np.array([1, 2, 2, 3, 4, 4, 5]) unique_arr, indices = np.unique(arr, return_index=True) print("Unique array:", unique_arr) print("Indices of unique elements in original array:", indices) R语言中的unique函数在R语言中,unique函数用于去除向量、矩阵或数据...
import numpy as np a=np.array([5,2,6,2,7,5,6,8,2,9]) print 'First array:' print a print '\n' print 'Unique values of first array:' u=np.unique(a) print u print '\n' print 'Unique array and Indices array:' u,indices=np.unique(a, return_index=True) print indices print...
import numpy as np #创建数组arr arr = np.array([3,7,5,6,8,9,7,2,6,2,5,9,10]) print('第1个数组:',arr) print('第1个数组的去重(去重后的值)数组:') arr_u = np.unique(arr) print(arr_u) print('去重数组的索引数组:') u_index = np.unique(arr, return_index=True) print(...
a = np.array(...): Create a NumPy array 'a' containing the given integer values. np.unique(a, return_counts=True): Find the unique elements in the array 'a' and their counts using the np.unique function. The return_counts parameter is set to True, so the function returns two arra...
numpy.unique numpy.unique(ar,return_index=False,return_inverse=False,return_counts=False,axis=None)[source] Find the unique elements of an array. Returns the sorted unique elements of an array. There are three optional outputs in addition to the unique elements:...
这种方法不直接使用 unique 函数,但可以达到去除0值的效果。 python import numpy as np # 假设原数组为a a = np.array([0, 1, 2, 0, 3, 4, 0, 5]) # 使用布尔索引去除0值 a_filtered = a[a != 0] # 使用unique函数去除剩余元素中的重复值 unique_elements = np.unique(a_filtered) print(...
In [1]: importnumpyasnpimportpandasaspd In [2]: pd.Series([2,4,3,3],name='P').unique() Out[2]: array([2, 4, 3], dtype=int64) In [3]: pd.Series([pd.Timestamp('2019-01-01')for_inrange(3)]).unique() Out[3]: ...
numpy.unique Find the unique elements of an array. Returns the sorted unique elements of an array. There are three optional outputs in addition to the unique elements: the indices of the input array that give the unique values, the indices of the unique array that reconstruct the input array...
import numpy as np arr = np.array([1, 2, 2, 3, 3, 3, 4]) unique_elements = np.unique(arr) print('The unique values of the input array is:\n', unique_elements) Output:Here, simply thenp.unique()function in Python will return all the unique values from the input array. ...
numpy.unique() function The numpy.unique() function is used to find the unique elements of an array.Returns the sorted unique elements of an array. There are three optional outputs in addition to the unique elements: the indices of the input array that give the unique values ...