Contact experts in R to get answers
1,829 views 1,230 posts
Questions related to R
I have performed a mixed model logistic regression using glmer and used afex::mixed to obtain the correct pvalues. mixed(model_9, data = ReversalTaskData, method = "PB", test_intercept = T,...
10 October 2019 9,964 3 View
Hi, I'm analyzing a dataset with the yearly concentration indexes of 50 different sectors (e.g., automobiles, pharmaceuticals, etc.) of a specific country from 1996 until 2016. However, I...
10 October 2019 2,776 4 View
Hello. I am looking for a solution in R to apply spatially-constrained clustering using fuzzy K-means (fuzzy c-means). I came across the spatialClust package, and was wondering whether anyone may...
10 October 2019 8,610 3 View
I'm a novice to RNA-seq analysis and DGE, hoping to get some good ideas moving forward. For context: I have 15 samples, 3 replicates each of 5 sample types. They're mRNA samples obtained from...
10 October 2019 8,311 4 View
Hi，everyone I have some problem when I calculate the mean effect size. Suppose that the A parameter has ten data from ten articles. How should I synthesize the data and calculate a total effect...
08 October 2019 8,198 3 View
I'm currently using R to analyze some metabolomics data, and I'm using the hmdbQuery package to download HMDB entries for each metabolite in my dataset. I'm having some trouble working with the...
07 October 2019 10,090 1 View
Hello everybody, I have a dataset with 8 predictors (dimensions of brand image) that I regress on 4 different DVs (Differentiation, Relevance, Esteem and Knowledge). One DV at a time. In order...
04 October 2019 4,809 5 View
Hi, I am running excitation-emission fluorescence spectra (on algal samples) and I want to use the EEM R package to visualize and analyze the data. However, this package only supports data files...
27 September 2019 2,048 2 View
I am currently trying to estimate the relationship between two variables, let’s call them X and Y. To better understand how those two variables are correlated across studies and between studies, I...
23 September 2019 5,975 7 View
I've used glm with backwards elimination to assess importance and interactions of multiple factors (independent variables) in a research in the field of architectural engineering. The independent...
09 September 2019 2,410 1 View
09 September 2019 5,350 1 View
I often work with plant species check lists and have been using the 'taxize' R package to programmatically compile information on higher taxonomic ranks (above-genus) in these lists. To do this, I...
09 September 2019 3,139 4 View
09 September 2019 402 3 View
Hello, I have ordinal data (4 ordered categories for each variable) that I would like to use as indicators for latent class analysis (LCA). I am aware that the cumulative response distribution...
08 August 2019 9,665 3 View
I have ~ 100 gauges (of course heterogeneously distributed) and say ~200*100 km territory. Relief could be neglected (yet looking for all options). Any recommendations?
08 August 2019 4,561 4 View
Dear colleagues, I am analizing pupil size data using mixed model analysis in R. I use lme - package nlme. However, I am encountering serious problems of heteroscedasticity (see attached...
08 August 2019 1,831 10 View
Hi, I settled on rmetasim to forward-simulate genetic data. The study system comprises a species with three stages (juvenile, female and male adults) and four habitats with differing migration...
08 August 2019 3,570 2 View
Hello, I have many photos with GPS localisation (EXIF) and now I want to extract longitude/latitude data (in decimal degrees) from it and save as csv table. I have only basic knowledge in R so...
08 August 2019 7,745 3 View
Hello everybody ! I’m actually doing a master thesis on a bird, the Corn bunting, more specifically on the effect of agri-environment schemes (AES) on the distribution of territories of the bird...
31 July 2019 4,958 4 View
I collect data of 21 participants daily over 14 weeks (98 measurement points per participant/physiological data). Each participant is part of an intervention group. All interventions have the...
29 July 2019 4,044 7 View
I have an ordinal mixed model with two categorical predictors with 3-4 groups. My question is how to or if I should decompose any significant main effects or interactions where the categorical...
15 July 2019 1,084 1 View
I'm looking for a way to check the non so strong correlation between my explanatory variables of my model. I'm using panel data fixed effect, with a panel effect and not a real time effect....
10 July 2019 4,770 2 View
I collected data of 21 participants daily over 14 weeks (98 measurement points per participant/physiological data). Each partipant was part of an intervention group (three groups). All...
07 July 2019 5,792 8 View
07 July 2019 1,096 2 View