Pankaj Dey

10 Questions 16 Answers 0 Followers

Questions related from Pankaj Dey

What are the general explanations of change from bimodal to unimodal distribution of a variable in complex adaptive system ?

Let us suppose, we have a time series data of a variable and I am interested in change in the distribution of that variable over two time frames of equal size (long enough to discard pathologies...

05 May 2018 2,417 2 View

What is the effective change point detection technique for identifying the changepoints in a higly skewed data series?

Suppose I want to analyse 100 year of monthly mean flow data of a particular month.

02 February 2016 5,721 2 View

How does the assumption of independent and identically distribution plays a role in obtaining an unbiased estimator?

Suppose I chose samples from a population where the sample are not in the framework of iid ness, does it mean that the sample estimate of the mean will be biased? Here we are thinking of a highly...

02 February 2016 5,323 5 View

Is there any good book or study materials on Applications of Pattern Recognition and Machine Learning in Hydrology and Water Resources Systems?

I am looking for the materials where applications of methods in statistical learning in hydrology is explained.

11 November 2015 3,040 3 View

What are the conditions of using simple water balance equation?

Simple water balance equation, P = E + Q, where change in storage can be considered negligible. Apart from having sufficiently long time series of observation of hydrologic variables like...

12 December 2014 6,966 15 View

Where can I find the good illustration of different downscaling methodologies for precipitation?

I am basically trying to understand different methodologies for common statistical downscaling where it is dicussed in detail.

11 November 2014 6,824 3 View

How to calculate the retrograde series in the sequential Mann Kendall rank test?

It is needed to determine the change point of trend in the streamflow series.

09 September 2014 6,709 1 View

Why water moves in counter clockwise direction vertically through any conduit in Northern Hemisphere, but reverse in Southern Hemisphere?

Actually, I have heard this fact from my friend.

08 August 2014 4,704 2 View

How pattern recognition techniques can be beneficial in identifying the most serious hydrological shifts or phenomena in long term streamflow?

Can anyone give any methods or techniques which can be used for identifying patterns in a long term streamflow?

08 August 2014 1,142 4 View

What is the best method for detection of change point in streamflow time series?

Petit test, Double mass curve technique, Mann Kendal Rank Test etc...which is more hydrologically significant technique for change point detection. Please help me.

08 August 2014 6,308 12 View