I need a couple of search algorithms. Does anybody know a package containing a lot of search algorithms such as stepwise, hill climbing, genetic search?
I'm getting slightly different random numbers depending on the OS (Windows vs Linux) although I have specified the seed using set.seed. Is there anyway to guarantee reproducibility across...
02 March 2018 2,298 11 View
I have fitted a logistic regression model in R. I am not sure how to estimate the bias and variance of this model.
01 February 2017 4,190 5 View
I am looking for an R function like the following one: f
07 August 2016 3,569 2 View
Dear Colleagues Does anyone know any available phd scholarship in the field of data mining concerning clinical applications and bioinformatics (university ranking < 100)? I have a good...
31 December 2015 4,045 0 View
Where can I find a data set containing the two variables: "Prostate-specific antigen" and "prostate cancer"? The dataset has been used in a lot of studies by Vickers such as: Prostate-specific...
31 December 2015 7,585 3 View
I used to save the result of my analysis (like an imputed data, ...) using save () and load it by load(). I recently came across dput() and dump(). Are they superior to save()?
09 October 2015 1,665 0 View
I need a data set containing both numerical and categorical variables and a two-class outcome to be used in examples of my R package. Do you know any well-known one?
09 October 2015 5,125 1 View
Hi, I am writing a package and I need the hidden functions of another package. If I import that package while writing my package, do I have access to its hidden functions?
06 July 2015 482 6 View
I need to import SPSS data into R and retain both the values and value labels for the variables. The read.spss() function from foreign package gives me option to retain either values OR value...
04 May 2015 2,445 1 View
I would like to write a GUI (preferably starts in Windows) for a R package. Do you have any suggestions where to start from? Do you have any package or softwares for that?
03 April 2015 5,554 5 View
Does anyone know of a module for the JAMOVI software that is capable of generating mean separations using the classic letters based on post hoc results (e.g., Tukey test)? If, as I believe, such...
31 July 2024 3,333 4 View
I am currently working on a mendelian randomization study, and I have downloaded the datasets needed from the ieu opengwas project (mrcieu.ac.uk) in .vcf format. I do not have access to an R...
19 July 2024 2,342 5 View
One of the papers I read by Toby, where (title of the paper was "R factors in Rietveld analysis: How good is good enough?"), he tells us that to get good chi square value, you must have low Rwp,...
17 July 2024 9,668 4 View
We have developed an ODE model comprising 25 interrelated equations with common coefficients. This biochemical model, applied in wastewater treatment, is characterized by stiffness. Utilizing the...
06 July 2024 7,077 4 View
Assessing the Feasibility of Vacation Homes and Vehicle Rentals in India In my article, "Assessing the Feasibility of Vacation Homes and Vehicle Rentals in India: Understanding Market Needs,...
03 July 2024 5,535 1 View
I ran PCA on 4 variables using the prcomp library. All variables were normalized to have a mean of zero and a standard deviation of one (z-score) before the PCA. prc 1 and I performed a varimax...
26 June 2024 6,792 1 View
What is it's difference between lsoda method in R vs. ODE23 or 45 solver in MATLAB.(especially in wastewater treatment and biochemical processes) I am currently engaged in the development of a...
24 June 2024 9,188 2 View
hello, which management theories can be used to address antecedents of digital strategy adoption ?
22 June 2024 836 4 View
Or they are only complement to each other
01 June 2024 6,021 3 View
Hello everyone, I am currently 26 years old (feeling like I am making a lot of mistakes at this young age), finishing my Master's degree, and planning to continue onto a PhD and possibly a...
30 May 2024 6,980 2 View