Is there any way to produce the same random numbers in R when using Linux or Windows?

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 2,191 11 View

Does any one know how to calculate the bias and variance of a logistic regression model?

01 February 2017 4,085 5 View

Is there an R function to find the position of a vector of elements in another vector?

I am looking for an R function like the following one: f

07 August 2016 3,459 2 View

Where can I find a data set containing the two variables: "Prostate-specific antigen" and "prostate cancer"?

31 December 2015 7,392 3 View

Do you know any available PhD position in data-mining/machine-learning?

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 3,938 0 View

Which one is superior: Save, dput, dump in R?

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 1,556 0 View

Any advice on a data set with both numerical and categorical variables and a two-class response?

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 5,022 1 View

Do you know any R Package for search algorithms?

08 September 2015 2,471 0 View

While importing a package in another Package in R, do I have access to the hidden functions ?

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 370 6 View

How can I import SPSS data into R and retain both labels and values?

04 May 2015 2,293 1 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

How to increase a model accuracy ?

dear community, my model is based feature extraction from non stationary signals using discrete Wavelet Transform and then using statistical features then machine learning classifiers in order to...

03 March 2021 6,994 5 View

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature)?

1. What is the impact of having different scales in a survey? and how can we solve this problem before and after data collection (Literature-based reflection)? Thank you for your time and for...

03 March 2021 2,870 3 View

What degree of missing data in a particular case/participant results in Expectation-Maximisation no longer working?

I'm dealing with a mediation model and am using the PROCESS module in SPSS. Due to SPSS and PROCESS being limited in the imputation methods - being unable to handle multiple imputation - the other...

02 March 2021 4,362 1 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 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

Can NFL theorem be valid in infinite search space in ML?

NFL theorem is valid for algorithms training in fixed training set. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Could you show your...

01 March 2021 1,189 3 View

Does anyone know how to plot my station to a section plot on Ocean Data View (ODV)?

I made a vertical section plot with WOA .nc file on ODV, and now I want to plot my stations (csv. file) in it. Does anyone know how to import my points to the section? They are two different...

01 March 2021 3,610 1 View