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

How can I get zero as length of a subset vector when it contains no element satisfying the subsetting conditions in R?

I observed that if I have an R vector eg x

08 September 2016 8,399 1 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

Logistical regression using SPSS for a dichotomous dependent variable, with an independent variable of 1, 2, 5 and 10 seconds?

I have an experiment with 28 participants The independent variable is the times 1, 2, 5, and 10 used as the cross hairs during a task These 4 times were tested using 4 different blocks, each...

03 March 2021 9,692 2 View

Do I need to do linear regression before running mediation analysis using PROCESS MACRO by Hayes ?

I just wanted to check if I need to run a linear regression separately if I am using PROCESS MACRO to run mediation analysis. Thank you.

02 March 2021 4,359 3 View

How to repeat an operation on an atom selection for multiple times in PyMol?

Hi, I am trying to construct a multi-layer fibril structure from a single layer in PyMol by translating the layer along the fibril axis. For now, I am able to use the Translate command in PyMol...

02 March 2021 4,569 4 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

Why does two different bioinformatics tools for the same proteins show different subcellular localizations?

During a computational analysis, I found that for a protein of a plant, two different subcellular localizations are seen using CELLO and WoLF PSORT. For example, in CELLO, it identified the...

01 March 2021 6,729 2 View

How to choose ANN number of hidden layers and nodes?

Hello, Could you please share any interesting research explaining how to choose the number of hidden layers and nodes per layer in case of regression problems using ANN? Thank you, any help would...

01 March 2021 6,200 3 View

What is the most suitable server for predicting protein structures in bacteria?

I have used the i-Tasser several times, however it has been unavailable for several days. I tried the swiss-model, but the output was not very pleasant due to the model used. Is there any other...

28 February 2021 4,521 3 View

Can anyone provide the Support vector regression code structure of LIBSVM MATLAB or python ?

Please, if Gaussian Parameter optimization is possible in this code structure

28 February 2021 278 3 View