Re: [MATH-1120] Needed opinion about support on variations in percentile calculation

2014-05-21 Thread venkatesha murthy
All, Agreed and thanks for opinionating.. I will work through this to get up with a draft design on the same and propse for review in some time. Thanks Venkat. On Thu, May 22, 2014 at 2:27 AM, Phil Steitz wrote: > On 5/21/14, 1:43 PM, Gilles wrote: > > On Wed, 21 May 2014 13:16:26 -0700, Phil

[RESULT] [VOTE] Release DBCP 2.0.1 based on RC3

2014-05-21 Thread Phil Steitz
This vote has passed with binding +1 votes from Phil Steitz, Thomas Neidhart, Luc Maisonobe, Oliver Heger and Gary Gregory, a +0 vote from Bernd Eckenfels and no other votes. Phil On 5/18/14, 2:22 PM, Phil Steitz wrote: > The problem with line endings in RC2 has been fixed. > > DBCP 2.0.1 RC3 is

Re: [MATH-1120] Needed opinion about support on variations in percentile calculation

2014-05-21 Thread Phil Steitz
On 5/21/14, 1:43 PM, Gilles wrote: > On Wed, 21 May 2014 13:16:26 -0700, Phil Steitz wrote: >> On 5/21/14, 12:18 PM, venkatesha murthy wrote: >>> Hi All, >>> >>> The existing Percentile class calculates the percentile based on >>> the >>> quantile position of the array fixed as >>> p * (N+1)/100 fo

Re: [MATH-1120] Needed opinion about support on variations in percentile calculation

2014-05-21 Thread Gilles
On Wed, 21 May 2014 13:16:26 -0700, Phil Steitz wrote: On 5/21/14, 12:18 PM, venkatesha murthy wrote: Hi All, The existing Percentile class calculates the percentile based on the quantile position of the array fixed as p * (N+1)/100 for a pth Percentile on an Array of size N. However if we we

Re: [MATH-1120] Needed opinion about support on variations in percentile calculation

2014-05-21 Thread Phil Steitz
On 5/21/14, 12:18 PM, venkatesha murthy wrote: > Hi All, > > The existing Percentile class calculates the percentile based on the > quantile position of the array fixed as > p * (N+1)/100 for a pth Percentile on an Array of size N. However if we > were to add these numbers in MS Excel > to calculat

RE: [MATH-1120] Needed opinion about support on variations in percentile calculation

2014-05-21 Thread Patrick Meyer
There are various ways to compute percentiles and statistical programs use different methods by default. I would prefer that we do like R and provide multiple options for the type of percentile computation. See http://stat.ethz.ch/R-manual/R-patched/library/stats/html/quantile.html Patrick --

[MATH-1120] Needed opinion about support on variations in percentile calculation

2014-05-21 Thread venkatesha murthy
Hi All, The existing Percentile class calculates the percentile based on the quantile position of the array fixed as p * (N+1)/100 for a pth Percentile on an Array of size N. However if we were to add these numbers in MS Excel to calculate the percentile it provides a different result and closely

[MATH-1120] Needed opinion about support on variations in percentile calculation

2014-05-21 Thread venkatesha m
Hi All, The existing Percentile class calculates the percentile based on the quantile position of the array fixed as p * (N+1)/100 for a pth Percentile on an Array of size N. However if we were to add these numbers in MS Excel to calculate the percentile it provides a different result and clos