数据表如下:我想通过某个函数得到LotID=ZA001,StepNo分别等于0,1,2时X1到X6列的基本统计值(平均,求和,最大,最小)
LotID=ZA002时,StepNo分别等于0,1,2时X1到X6列的基本统计值(平均,求和,最大,最小)
LotID=ZA003时,StepNo分别等于0,1,2时X1到X6列的基本统计值(平均,求和,最大,最小)
依次类推。
| LotID | StepNo | X1 | X2 | X3 | X4 | X5 | X6 |
| ZA001 | 0 | 0.465501285 | 0.487763653 | 0.719037439 | 0.23576238 | 0.682058296 | 0.766874996 |
| ZA001 | 0 | 0.55303529 | 0.09806244 | 0.726654298 | 0.009856914 | 0.962413271 | 0.645640479 |
| ZA001 | 0 | 0.849611915 | 0.555066068 | 0.431317499 | 0.065092088 | 0.574370038 | 0.286123065 |
| ZA001 | 1 | 0.019202528 | 0.507761538 | 0.592211001 | 0.009535094 | 0.773874135 | 0.055177349 |
| ZA001 | 1 | 0.431183242 | 0.82696049 | 0.952844707 | 0.245440993 | 0.58027804 | 0.634213102 |
| ZA001 | 1 | 0.659692643 | 0.86025138 | 0.897921594 | 0.099844271 | 0.604227738 | 0.655280494 |
| ZA001 | 1 | 0.601966592 | 0.538211843 | 0.036207162 | 0.812898158 | 0.345842086 | 0.857416012 |
| ZA001 | 2 | 0.82201421 | 0.333103612 | 0.906336471 | 0.205029544 | 0.018779962 | 0.30513699 |
| ZA001 | 2 | 0.998951939 | 0.784717541 | 0.928207544 | 0.192025362 | 0.924624093 | 0.949122837 |
| ZA002 | 0 | 0.565815577 | 0.029098459 | 0.406397238 | 0.268692156 | 0.206968225 | 0.600297808 |
| ZA002 | 0 | 0.486466488 | 0.871490727 | 0.651695501 | 0.613242428 | 0.794405175 | 0.3288152 |
| ZA002 | 0 | 0.290028066 | 0.975727921 | 0.161180233 | 0.144306303 | 0.951899976 | 0.282670874 |
| ZA002 | 1 | 0.537691812 | 0.901979879 | 0.693681103 | 0.551265738 | 0.860227495 | 0.699109571 |
| ZA002 | 1 | 0.440955178 | 0.215437015 | 0.679133036 | 0.637750591 | 0.097810251 | 0.082782092 |
| ZA002 | 1 | 0.498282152 | 0.916706915 | 0.769071414 | 0.162204504 | 0.008234433 | 0.870079375 |
| ZA002 | 1 | 0.991684453 | 0.207388589 | 0.244485754 | 0.881536492 | 0.321963142 | 0.587971864 |
| ZA002 | 2 | 0.07820828 | 0.105941454 | 0.827982908 | 0.596016535 | 0.8814727 | 0.860772503 |
| ZA002 | 2 | 0.753396532 | 0.052878496 | 0.163313812 | 0.968538218 | 0.200386238 | 0.321208364 |
| ZA003 | 0 | 0.269715871 | 0.142470263 | 0.436104477 | 0.454182864 | 0.073219736 | 0.421025734 |
| ZA003 | 0 | 0.627816532 | 0.490206675 | 0.850011093 | 0.897276234 | 0.860121022 | 0.275395421 |
| ZA003 | 0 | 0.110068675 | 0.774430352 | 0.849183545 | 0.064895727 | 0.741432559 | 0.123349548 |
| ZA003 | 1 | 0.225103129 | 0.514089073 | 0.392208039 | 0.27490946 | 0.182450211 | 0.276427218 |
| ZA003 | 1 | 0.180353889 | 0.822386213 | 0.25058774 | 0.210108782 | 0.379106353 | 0.437415615 |
| ZA003 | 1 | 0.561571682 | 0.356944348 | 0.965278434 | 0.714317658 | 0.998082385 | 0.212705581 |
| ZA003 | 1 | 0.994429611 | 0.066681061 | 0.430874229 | 0.90975871 | 0.96831891 | 0.181626353 |
| ZA003 | 2 | 0.483526986 | 0.458792371 | 0.83486081 | 0.978257746 | 0.096337228 | 0.443090387 |
| ZA003 | 2 | 0.913113025 | 0.034006325 | 0.133553861 | 0.933082453 | 0.972664074 | 0.368078094 |


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