python example

distance_fun.py

def kp_distance(object_x, object_y, Wc):
    ''' Distance function for two objects
        '''
    res = 0.0
    for attr_idx in xrange(0, len(object_x)):
        cur_type = type(object_x[attr_idx])
        if( (cur_type == str) or (cur_type == np.string_) ):
            # categorical attribute
            if (object_x[attr_idx] == object_y[attr_idx]):
                res = res + Wc
        else:            
            # numerical attribute
            tmp = object_x[attr_idx] - object_y[attr_idx]
            res = res + tmp * tmp
    return res