defrange_ratio(x):mean_median_difference = np.abs(np.mean(x) - np.median(x))max_min_difference = np.max(x) - np.min(x)ifmax_min_difference ==0:returnnp.nanelse:returnmean_median_difference / max_min_differencedefhas_duplicate_max(x)...
# indent your Python code to put into an emailimportglob # glob supports Unix style pathname extensions python_files=glob.glob('*.py')forfile_nameinsorted(python_files):print(' ---'+file_name)withopen(file_name)asf:forlineinf:print(' '+line.rstrip())print() 运行结果: 太长,输出了该...
print(json.dumps(data, indent=2)) { "dataset": { "dataset_code": "M550_SALES", "column_names": [ "Date", "Value" ], "newest_available_date": "2016-06-30", "description": "The Zillow Home Value Index is Zillow's estimate of the median market value of home sales (nsa) within...
下面的代码块显示了如何使用 scikit 图像filters.rank模块的形态median过滤器。通过将 10%的像素随机设置为255(salt),将另外 10%的像素随机设置为0(胡椒),将一些脉冲噪声添加到输入灰度Lena图像中。所使用的结构元素是不同尺寸的圆盘,以便通过median过滤器消除噪音: 代码语言:javascript 代码运行次数:0 运行 复制 fro...
(numbers) - 1), 0.5) def median(numbers): # 计算中位数 sorted(numbers) size = len(numbers) if size % 2 == 0: med = (numbers[size // 2 - 1] + numbers[size // 2]) / 2 else: med = numbers[size // 2 ] return med n = getNum() # getNum()函数也可以换成一组数字列表...
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(data, ddof=1): """变异系数""" return std(data, ddof) / mean(data) def describe(data): """输出描述性统计信息""" print(f'均值: {mean(data)}') print(f'中位数: {median(data)}') print(f'极差: {ptp(data)}') print(f'方差: {var(data)}') print(f'标准差: {...
'Median': np.median(seconds), '99%Line': np.percentile(seconds,99), '95%Line': np.percentile(seconds,95), '90%Line': np.percentile(seconds,90) } returndata defhighConcurrent(url, count, countPerS): ''' 对服务端发送高并发的请求 ...
组平均:两个聚簇中样本间两两距离的平均值(average-linkage聚类法),两个聚簇中样本间两两距离的中值(median-linkage聚类法) 【3】层次聚类优化算法: 1.BIRCH 算法(平衡迭代削减聚类法):是一种非常有效的聚类技术,用于欧几里得向量空间数据,即平均值有意义的数据。BIRCH 能够用一遍扫描有效地对这种数据进行聚类,并可...
median(ms):响应时间的中间值 90%ile(ms):90%响应时间 99%ile(ms):99%响应时间 average(ms):平均响应时间 min(ms):最小响应时间 max(ms):最大响应时间 average size(bytes):平均请求的大小 current rps:当前每秒处理事务的次数 current failures/s:当前每秒的失败数 ...