Questions tagged [r]
R is a free, open-source programming language & software environment for statistical computing, bioinformatics, visualization & general computing. Please use minimal reproducible examples others can run using copy & paste. Show desired output entirely. Use dput() for data & specify all non-base packages with library(). Don't embed pictures for data or code, use indented code blocks instead. For statistics questions, use https://stats.stackexchange.com.
507,876
questions
0
votes
0
answers
6
views
How do I correctly specify nesting in the sommer R package?
I accustomed to lme4 where it would be simply: (1|genotype/root_ID) but it's unclear to me looking through the documentation the appropriate way to do this in sommer.
mod1 <- mmer(Y ~ 1,
...
- 1
0
votes
0
answers
14
views
I have set levels in R, how do I take new data and assign it to multiple levels and then create a count for that level?
I am working paleo data in which I have pulled information from the database on a genus level and have found the unique labels of genera within a certain dataset and their respective age ranges.
Each ...
0
votes
0
answers
13
views
GMM estimation in R and STATA
I am trying to perform GMM estimation but in R. In my context, I am making several covariance restrictions. To give a simplified example: $Var(y)=a$ and $Cov(y, Ly))=b$. Now the problem is that for ...
2
votes
0
answers
27
views
How to code chi-squared integrand using elementary R functions
I am attempting to write probability density function for 2x2 contingency table with given margins, using chi-squared statistics.
I am aware there are easy ways to do this with native R functions, but ...
- 43
2
votes
3
answers
22
views
How to access row and column names (year and month) from a (monthly) time series, when rownames and colnames fail?
In monthly time series (frequency = 12), R prints out the years and months automatically, arranging them to look like row names and column names. But they are not accessible through rownames or ...
- 78
-2
votes
1
answer
35
views
Most efficient way to reproducibly and programmatically change sporadic cell values in a R dataframe? [closed]
I'm a novice R programmer/analyst and analyzing a large dataset of 220 columns by 230 rows. I've found that there are sporadic values that are incorrect in the source dataset that I'd like to change (...
- 27
2
votes
4
answers
35
views
Convert a dataframe of nearest neighbors to onehot coding
Let's say we took the mtcars data and ran a PCA. Then, we want to know which brands of cars are most similar in PC space, i.e. the nearest neighbors. So someone ran a nearest neighbors analysis, and ...
- 65
0
votes
0
answers
28
views
How can I use a separate column value to choose how to fill in values using values_fn in pivot_wider? [duplicate]
I have a dataframe
descriptions names cutoffs vals
1 a A 90 1
2 a A 91 2
3 a B 90 3
4 a C 90 4
that I ...
- 1
0
votes
1
answer
30
views
Mean scores for survey responses in gtsummary
I am attempting to produce a table of weighted mean survey scores by categorical variables in gtsummary using the tbl_svysummary function.
How do I do this using survey weights, using the ...
- 1
1
vote
2
answers
32
views
parallel/automatic way of unnesting list columns that contains data frames (list columns might be empty)
Please consider the following data frame:
df <- structure(list(oID = c(37751L, 30978L, 33498L),
peId = c(12L, 13L, 14L),
last_Name = c("ABC", &...
- 10.4k
0
votes
1
answer
25
views
How to stop the run, and throw customized and original error messages using tryCatch in R?
I am trying to use tryCatch funciton to catch errors and stop runs with personalized and original error messages printed. The expression is to evaluate a+"T", which will surely produce an ...
- 93
0
votes
0
answers
29
views
Error in eval(predvars, data, env): object 's_id' not found
I am trying to fit multilevel models using tidymodels. When I fit individual models, I do not have issues but when I combine them in workflow set, I get these errors.
I have seen posts with similar ...
- 666
0
votes
0
answers
22
views
error while using "compile" model for keras models
I am new in applying the neural network models, I am using linux Ubuntu , and the versions that are installed are:
tf_config()
TensorFlow v2.16.1 (~/miniconda3/lib/python3.12/site-packages/tensorflow)
...
0
votes
0
answers
32
views
ggplot2 error: "`unit()`: ! 'x' and 'units' must have length > 0" (::grid package in R)?
I'm trying to create a custom ggplot2 geom called geom_geoheat, but I'm running into an error when converting the geom to a grob. I am using ggprotos of GeomTile and GeomRect (where tile inherits most ...
- 1
-2
votes
0
answers
21
views
Re: R Studio server issues & package installation [closed]
I am unable to download some packages (e.g.: tidyverse & many more packages that are available otherwise on the desktop version in R) in my R studio server account. Is this a common problem faced ...
- 1