Using config_str = creditcard
my test [0.2]
The baseline :
the size of clean data is      LIMIT_BAL   AGE  BILL_AMT1  ...  PAY_AMT4  PAY_AMT5  PAY_AMT6
0    200000.0  29.0     2116.0  ...   20000.0     732.0    1005.0
1     20000.0  36.0    18458.0  ...    1370.0    1000.0     424.0
2    290000.0  34.0   284150.0  ...    8000.0    9300.0    9000.0
3    200000.0  40.0     9798.0  ...    7834.0   12919.0   13583.0
4    280000.0  27.0     5521.0  ...    1247.0    2037.0   26920.0
..        ...   ...        ...  ...       ...       ...       ...
95    80000.0  25.0    69614.0  ...    1800.0    1500.0    1700.0
96   140000.0  38.0    52684.0  ...    2124.0    2375.0    1547.0
97   150000.0  40.0       -3.0  ...     222.0       0.0     401.0
98   220000.0  33.0        0.0  ...       0.0       0.0       0.0
99   190000.0  27.0     3902.0  ...    1000.0    2000.0    2000.0

[100 rows x 14 columns]
Clustering time: 0.0940454313531518
baseline cost
Set parameter WLSAccessID
Set parameter WLSSecret
Set parameter LicenseID to value 2512068
Academic license 2512068 - for non-commercial use only - registered to sh___@mail.ustc.edu.cn
Gurobi Optimizer version 11.0.1 build v11.0.1rc0 (linux64 - "Ubuntu 20.04.6 LTS")

CPU model: Intel(R) Xeon(R) Gold 6326 CPU @ 2.90GHz, instruction set [SSE2|AVX|AVX2|AVX512]
Thread count: 32 physical cores, 64 logical processors, using up to 32 threads

Academic license 2512068 - for non-commercial use only - registered to sh___@mail.ustc.edu.cn
Optimize a model with 128 rows, 200 columns and 3000 nonzeros
Model fingerprint: 0x559b2bc0
Coefficient statistics:
  Matrix range     [8e-03, 1e+00]
  Objective range  [2e+09, 1e+12]
  Bounds range     [1e+00, 1e+00]
  RHS range        [1e+00, 1e+00]
Warning: Model contains large objective coefficients
         Consider reformulating model or setting NumericFocus parameter
         to avoid numerical issues.
Presolve removed 114 rows and 100 columns
Presolve time: 0.49s
Presolved: 14 rows, 114 columns, 1414 nonzeros

Iteration    Objective       Primal Inf.    Dual Inf.      Time
       0    2.5483902e+12   1.066000e+00   0.000000e+00      0s
       3    2.7346567e+12   0.000000e+00   0.000000e+00      0s

Solved in 3 iterations and 0.49 seconds (0.00 work units)
Optimal objective  2.734656738e+12
the cost is  2734656737765.4185
