arcgis10.2聚类和异常值分析，用权重矩阵计算，但是报错了？是不是工具的问题？

Traceback (most recent call last):
  File "d:\argispojie\arcgis\desktop10.2\ArcToolbox\Scripts\LocalMoran.py", line 636, in <module>
    setupLocalI()
  File "d:\argispojie\arcgis\desktop10.2\ArcToolbox\Scripts\LocalMoran.py", line 102, in setupLocalI
    exponent = exponent, applyFDR = applyFDR)
  File "d:\argispojie\arcgis\desktop10.2\ArcToolbox\Scripts\LocalMoran.py", line 179, in __init__
    self.construct()
  File "d:\argispojie\arcgis\desktop10.2\ArcToolbox\Scripts\LocalMoran.py", line 398, in construct
    nhVals, weights)
  File "d:\argispojie\arcgis\desktop10.2\ArcToolbox\Scripts\LocalMoran.py", line 480, in calculateLI
    featureGlobalBool)
MemoryError

执行(ClustersOutliers)失败。