Questions tagged [r]
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508,293
questions
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How to Calculate Average Time from First Activity to a Milestone in a User Activity Log Using data.table in R?
I'm working with a dataset of user activity logs and need to calculate the average time it takes for first-time users to reach a specific milestone. Specifically, I want to find the average time it ...
- 32.9k
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votes
1
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142
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Issues with using the API R Code provided by RapidAPI
I'm trying to get the API R code of RapidAPI to work.
The code they provide is as follows (schematically):
library(httr)
GET(
url = rapidapi_url,
config = list(x-rapidapi-key = API_KEY,
...
- 28.1k
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43
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Resolve conflict between jquery, shiny.fluent, highcharter in r shiny app
I'm completely new to adding scripts.js to r shiny.
I'm trying to dynamically adjust height of sidebar dependent on height of main content. So javascript required.
Including useShinyjs() in my UI,I ...
- 195
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1
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525
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R Shiny error for data scrape web app "number of items to replace is not a multiple of replacement length"
I am attempting to make a shiny web app using a function that I found to scrape data off of a NOAA website. So I did not create the function, but I have used it and it works well. I want to create ...
- 28.1k
0
votes
1
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41
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sumifs with a criteria
Here is my data.
iris.dt<-as.data.table(iris);
And this is exactly what I want, and it works fine.
iris.dt[,Sum.Petal.Width := c(sum(Petal.Width),rep(0, .N - 1)), by = Species];
Output to verify:
...
- 32.9k
0
votes
0
answers
15
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compiling errors for R 4.4.1 on alma linux 9.4
I am compiling R 4.4.1 from source on alma linux 9.4 (docker container)
./configure --prefix ${installdir} \
--enable-year2038 --with-cairo --with-x --with-libpng --with-jpeglib --with-libtiff \
...
0
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1
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GBM in R, links and offsets for Poisson distribution (possible to generalize to any distribution)
My objective is to apply a gbm to predict the frequence of events, which were subject to exposure and assumed to be dependent on many registered features/variables.
Since this is a count response ...
0
votes
2
answers
526
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Exporting citation of a journal article using R
I want R to:
Go THIS page.
Select "Bibtex" as Format, "Citation and Abstract" for "Export type".
Press "Submit" and download the citation file to a designated folder.
Is it possible? How can I ...
- 28.1k
0
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0
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5
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R: running a mirai_cluster via parallelly::makeClusterPSOCK
my goal is to perform some heavy computation in R on a cluster of several Linux hosts, using docker containers.
Within R I want to use foreach.
To do this, I believe the best approach is with the ...
- 493
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0
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10
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How to obtain standardized residuals for clustered data in lavaan?
I am facing a problem concerning the output of standardized residuals for a fitted lavaan (sem)-object. As far as I do not include “cluster = ” in the fitting function, I can easily obtain the ...
- 1
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0
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58
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Complex lon/lat format manipulation
I originally developed a model to work with a df as df1_ref. Now, I found more data I need in a different format as df2.
df1_ref:
id country point_id lon lat value_A
...
- 63
0
votes
4
answers
37
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Error when using bind_rows where one data frame has a column of type <hash>
I want to bind rows from two different data frames where one data frame contains a column of hash values whereas the second data frame doesn't contain this column.
library(tidyverse)
library(openssl)
...
- 130k
2
votes
4
answers
70
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Create Vector from One-to-Many Dataframe in R
I have a dataframe with a one-to-many relationship where the one in the relationship are the column names and the many in the relationship are entries in the first column. I would like to create a ...
- 93.4k
0
votes
2
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397
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Bayes Factor values in the R package BayesFactor
I've followed the instructions on how to run a Bayesian 't-test' using default priors in the BayesFactor package in R.
Some of the returned values are astronomical.
Here is an example comparison ...
- 181
3
votes
2
answers
48
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compress files in R without structure of directories
I want to compress some files in R using tar(). My code is quite simple:
f <- "C:/TEMP/tarfile.tar.gz"
files_to_compress <- dir(path=tempdir(), full.names = TRUE)
tar(tarfile = f, ...
- 38.8k