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Questions related to R
I write a script in R to generate simulated data for meta-analysis for teaching purposes. Given the "population" correlation coefficient, it generates "individual studies" with various sample...
08 December 2021 921 5 View
I have percent coverage data for plant species in 1mx1m quadrats at 8 sites with various sampling efforts. My coverage data includes non integers, is there a best practice for creating a...
07 December 2021 5,681 5 View
How does R use Locally Compensated Ridge Geographical weighted regression model to process the local multicollinearity? I used the example of GWmodel,but it always remind me of Error in SQRT (W) *...
21 November 2021 6,605 2 View
I am conducting a confirmatory factor analysis examining a three-factor model using R's lavaan package. My factors are shifting, working memory, and response inhibition. I used the modindices...
19 November 2021 2,655 3 View
I was expecting a similar kind of effect when I overexpress my protein of interest in a temperature sensitive mutant in permissible temperature as it is bound to behave like wt cells but I...
17 November 2021 6,683 2 View
Hi, I am analyzing a study and I would like to see if individual differences interact with situation factors (i.e. individual and situation = IV) regarding their impact on another factor (=DV)....
16 November 2021 2,896 3 View
Hi, I'm to do a multivariate regression analysis using TSCS data in R, and I'm a bit lost as to where I should start. My research question is how ALMP's have affected unemployment in four European...
15 November 2021 4,301 7 View
i'm having problem in deciding how to run the regression. i want to see whether before and after covid, banks look at different characteristics when pricing loans. If for example in the period...
11 November 2021 7,807 11 View
I would like to build a statistically optimal design for a Discrete Choice Experiment, using the idefix package in R, as described in Traets et al., 2020 (Generating Optimal Designs for Discrete...
29 October 2021 788 6 View
Each site (3 sites) is having 30 numbers of quadrates. So please help me in data preparation in excel and scripts used in analyzing the nestedness and turnover in R. Thank you!
26 October 2021 9,234 6 View
Dear All, I hope you are doing well I wanted to use R to calculate the healthy eating index (2015) based on the NHANES 2018/2018. However, I was unable to locate a guide or r script that...
13 October 2021 10,038 14 View
I am looking for a published article or a reputable source such as Acts, explaining the types of crimes. I have come across several crimes under Major Crime Act. Is there anywhere I can refer (and...
04 October 2021 4,510 10 View
I am using the R package Introgress to study introgression of SNPs between the northern and southern extents of the lodgepole X jack pine hybrid zone in western Canada. When I use the...
21 September 2021 9,934 2 View
I am trying to analyze some fMRI data and neuRosim (https://cran.r-project.org/web/packages/neuRosim/index.html) package in R, was recommended to me. However, I could not find a comprehensive...
13 September 2021 6,856 4 View
Is the cloglog output produced from Maxent a probability of occurrence or habitat suitability? I know this is a pretty fundamental question about Maxent. I have read all of the typically cited...
04 September 2021 1,508 3 View
How to create a mean model per genotype from μCT scans (dicom or tiff input format) coming from different animals so we can later compare the two different population mean models. Currently the...
01 September 2021 1,373 1 View
I'm performing a time series analysis with multiple breakpoints in R. I managed to identify three breakpoints using the procedure suggested in strucchange package but I'm struggling to get the...
17 August 2021 2,130 3 View
When solving Ordinary Differential Equations in time using, say R, is common to find ourselves in a part of the parameter space that does not allow for correct solutions. For simple models it is...
12 August 2021 6,509 7 View
I have several hundreds of pictures taken from sunbirds in Cameroon. The pictures are taken in lateral and apical view over a millimetric grid. I would like to measure the bill length of these...
04 August 2021 728 5 View
Help please, I use the function to change the font, as in this example: https://davidgohel.github.io/flextable/reference/font.html require ("gdtools") #> Loading required package: gdtools fontname
30 July 2021 1,181 3 View
I am able to find the authors of the negative binomial and zero-inflated Poisson models. However, I have searched as vigorous as I can but unfortunately, I could not find the paper that first...
22 July 2021 3,011 2 View
For network meta-analysis, in order to calculate anticipated absolute differences, I have seen papers generating anticipated absolute differences for treatment for x number of years. However the...
16 July 2021 2,075 3 View
I was pleased to learn that jamovi now has an editor that allows one to use code. https://blog.jamovi.org/2018/07/30/rj.html But to be truly useful, IMO, it would have to allow one to generate...
14 July 2021 6,735 6 View
Hi folks, Imagine I have a dataset of bacterial abundance at specific degrees of temperature. Each line is a different bacterial species and each column is the abundance at a specific...
07 July 2021 6,530 7 View