Hfrhyu

I am trying to insert a value for different group of percentile eg (0- 10 percentitle) value = 1.

I saw an example over here and went to try it out How do I Calculate Grouped Percentiles or Batch percentiles in ArcMap?

However, i was thrown this error. I am using ArcGis 10.3.1 for desktop. and the file is Shapefile Feature Class.

Runtime error 
Traceback (most recent call last):
File "<string>", line 30, in <module>
File "<string>", line 10, in CalcPercentile
File "C:Python27ArcGIS10.3libsite-packagesnumpylibfunction_base.py", line 3096, in percentile
return _compute_qth_percentile(sorted, q, axis, out)
File "C:Python27ArcGIS10.3libsite-packagesnumpylibfunction_base.py", line 3132, in _compute_qth_percentile
return add.reduce(sorted[indexer]*weights, axis=axis, out=out)/sumval
TypeError: unsupported operand type(s) for *: 'numpy.ndarray' and 'numpy.ndarray'

The source code is over here. (using python)

 import arcpy
 import numpy as np
 import os

 #loop through all Shapefile in a folder and call the CalcPercentile method
 def CalcPercentile(inputFeatureClass):
 #to create 3 rank for example
 print inputFeatureClass;
 arr = arcpy.da.FeatureClassToNumPyArray(inputFeatureClass, 'NEAR_DIST_')
 p1 = np.percentile(arr, 33) # rank = 0
 p2 = np.percentile(arr, 67) # rank = 1
 p3 = np.percentile(arr, 100) # rank = 2
 #use cursor to update the new rank field
 with arcpy.da.UpdateCursor(inputFeatureClass , ['NEAR_DIST_','PerRank1']) as cursor:
 for row in cursor:
 if row[0] < p1:
 row[1] = 0 #rank 0
 elif p1 <= row[0] and row[0] < p2:
 row[1] = 1
 else:
 row[1] = 2
 cursor.updateRow(row)

workspace = "D:HDB_accessibilityMergeAllDistance"
walk = arcpy.da.Walk(workspace, datatype="FeatureClass")
for dirpath, dirnames, filenames in walk:
 for filename in filenames:
 featureClass = os.path.join(dirpath, filename)
 #First add the percentile Rank Field
 #arcpy.AddField_management(featureClass, "PerRank", "DOUBLE")
 CalcPercentile(featureClass)

As commented by @fluidmotion it:

could be related to
[https://stackoverflow.com/questions/14408122/unsupported-operand-types-for-numpy-ndarray-and-numpy-float64]
- where the NEAR_DIST_ field may be converted to a long instead of a float?