Questions tagged [r]
R is a free, open-source programming language and software environment for statistical computing, bioinformatics, and graphics.
1,445 questions
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cluster named towns using their Latitude and longitude or radian values
I would like to cluster named towns using their Latitude and longitude or radian values. I am new to R and would like some advice.
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Performing piecewise polynomial regression on the Auto dataset (ISLR2)
I am trying to analyze some data from the Auto data set (from ISLR2). I am trying to fit a piecewise polynomial to the acceleration column. But every time I run my code, R throws this error:
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How to calculate odds ratios from Shap values?
Hope everyone is doing well. For my logistic regression model predicting hypertension, I want to calculate Shapley-adjusted odds ratios (ORs) and 95% confidence intervals (CIs) for each predictor in ...
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New Variables to Add to Model GLM/GBM
I already have a GLM model in place to predict claims frequency. I know have access to many new variables (a mix of categorical and continuous variables, some of which are likely correlated). I wish ...
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Sampling from a specific variant in a mc2d mcnode data frame in R
I am trying to sample from a specific variant in a mcnode - the data frame produced by the 2 dimensional monte carlo package mc2d. I have copied what the mcnode looks like below.
Any ideas how to ...
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Is it statistically wrong to adjust for sex and race then do subgroup based on them?
I am doing for subgroup analysis of early mortality (Outcome) based on Transfusion(WITH ADJUSTMENT for both ...
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Handling Missing Values in Predictor Variables for Gradient Boosting Models ( gbm() ) in R
I am currently working on a predictive modeling project using the gbm package in R and have encountered a challenge regarding missing values in one of my predictor variables. I would appreciate your ...
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Which is better: tensorflow 2.3.0 with GPU or tensorflow 2.18.0 with only CPU?
What is the speed of running tensorflow 2.3.0 with GPU relative to tensorflow 2.18.0 with only CPU?
Hardware
Laptop: MacBook Pro 15-inch 2012 64-bit.
OS: Windows 10 Pro 22H2
Processor: Intel(R) Core(...
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As an intermediate R programmer looking to dive into machine learning, should I choose Python or stick with R?
Background
I am an intermediate R programmer with some experience in machine learning concepts and simple modeling in R. I have an opportunity to collaborate with a professional machine learning team ...
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Learning material for R
I am looking for learning material for R (including base R & tidyverse approaches (with a focus on readr, dplyr & tidyr)) and data visualisation using ggplot2 library for commercial teaching ...
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Plot a combined stacked and clustered bar graph showing mutually- and non-mutually exclusive data in R
I am looking to make a stacked bar graph showing mutually exclusive categories of data. One of these categories should be further broken down into non-mutually exclusive sub-categories. I feel this ...
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Is there a way to create a bootstrapped beta calibration function to use on new data?
I have created ML classification models that are now to be evaluated on a different population for external validation (n=5000, event rates between n=400 and n=1200 for different outcomes under study)....
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Guidelines for image recognition model (inventory purposes)
I have 20,000 plus images of art (paintings, sculptures, jars, etc) stored in a data base. The actual pieces are distributed in multiple warehouses. Ideally, the physical pieces SHOULD have a sticker ...
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cor() function in R returns NA when given two integers or continuous values
Using R version 4.4.0, I was using the cor() function and originally inputting two continuous values to obtain a default calculated correlation. NA is returned instead of a numeric. I'm able to ...
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What informatics tools will allow complex search in order to select full-text articles?
I'd like to search plant science literature (full text) to only return articles in which the word "three" appears four or more times in the full-text Methods section (presumably the best ...
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