What is considered a small or Minimum sample for samples from non Gausian population?

Is their any standard and most accepted methodology to determine a minimum sample size to make an inference in a non Gausian setting?

06 July 2018 7,384 3 View

Is it possible to save a "list object" for external usage in R?

I planned a simulation work with R that return a huge collection of dataframes of different sizes and assign the collection to a "list object" for easier manipulation. The task require the usage...

31 December 2016 4,071 5 View

Why some amsmath package commands are not working with AIP latex templat?

11 December 2016 9,792 7 View

Is their any goodness of fit for regression based on Tukey's resistance line?

04 May 2016 4,326 2 View

How can I handle the following warning message in R programming?

I am using my own code to compute a residual of a resistance line (an EDA approach to regression). I write the following code as a general function for the residual rlresidual

03 April 2016 3,425 2 View

How can I use a long line instead of dash to plot my points in R?

02 March 2016 9,980 3 View

How can I select a good parameters values for generating a random sample of GEV distribution?

02 March 2016 8,985 1 View

Do the shape parameter of the generalized extreme value distribution (GEV) exceed 0.6 in real life application?

If the answer to my question is yes. Then can someone share with me a clean real life data with it's shape parameter greater than 0.6? I observed that, some scholars are saying we are yet to have...

01 February 2016 7,063 1 View

What is the asymptotic distribution of p for a simulated quantile (Q_{p}) that estimate a certain measure M of a distribution F?

Our simulation experiment involved a certain statistical measure M of a certain distribution F. We decided to estimate M using a quantile (Q_{p}, 0

01 January 1970 2,616 4 View

How to compare two groups with only two measurements?

Hiiiii everyone! I have an enquiry on statistical analysis. I was looking for many forum and it's still cannot solve my problem. I want to compare means of two groups of data but only with two...

03 March 2021 8,796 3 View

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10?

What's the best way to measure growth rates in House sparrow chicks from day 2 to day 10? Since, the growth curve from day 2 to 10 won't be like the "Logistic curve" it might not follow logistic...

03 March 2021 1,401 3 View

How to normalise data on OPM package from R Studio ?

Good afternoon, I recently used OmniLog from BIOLOG for my experimentations : I tested the metabolism of different strains on 2 types of plates. I have 16 strains of 3 different groups...

02 March 2021 3,584 1 View

How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View

How Relativistic effects is one reason for lanthanide contraction?

The Lanthanide contraction which is the decrease in ionic radii of the elements in the lanthanide series from atomic number 57, lanthanum, to 71, lutetium, is due to poor shielding of the 4f...

01 March 2021 2,272 4 View

Energy minimization in LAMMPS using NVT ?

How do I do energy minimization in lammps with NVT ensemble ? I am using the following command and it does not seem to work. It stops at extremely high energy and gives me the error zero search...

01 March 2021 2,294 3 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View

How can I make stacked bar graph with scatter plot?

I want to make a stacked bar graph with showing each data value as dots. I tried with graph pad prism, version 6, but could not succeed. Does anyone have tried before making such graphs?

01 March 2021 9,383 1 View

How to perform statistical analysis of coefficients extracted from transform techniques?

I am studying the potential of DCT and FFT coefficients extracted from a signal to classify the different objects that emit the signal. I applied the Shapiro-Wilk to confirm that data was not...

01 March 2021 8,079 2 View

Why is the sum of the elements in a row in a Q matrix equal to zero?

When explaining substitution models, the substitutions are expressed as Q matrix. Why is the sum of the elements in a row zero?

28 February 2021 3,864 3 View