- 多種數據類型:
datalist = np.array(datalist, dtype = object)
- 按某一列排序:
datalist = datalist[ datalist[:, sort_axis].argsort() ]
- array添加一列,一維array行轉列:
# list轉array
row = np.array(row)
#行轉列
col = row.reshape(-1, 1)
# array.append, datalist和col同維度(行數一致)
new = np.append(datalist, col, axis = 1)