Using mutate_at with prefix column names to compare values
I have a dataframe with old & new values. I need to update new values if something changed. I think I am really close, but I can't find the missing piece using tidyverse. With base R - using a for...
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Add a shiny widget inside shiny dashboard header section
Is there a way to add a selectinput() inside shinydashboardPlus() header? I do not want the dropdown menu ability that is offered by shinydashboardPlus(). I want something like:#app.r library(shiny)...
View ArticleHow to import files in R package rehh for haplotype homozygosity analysis
I would like to try the R package rehh to perform haplotype homozygosity analyses on population genetic data.I have faily simple data files I would like to input into rehh but it's not working for me....
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Can I use Plotly's Custom Buttons to update `shared_yaxes` in a faceted plot?
I am using plotly and I have a figure with subplots. I'd like to include in it a button to toggle the property shared_yaxes. Is this possible?Here a reproducible example (in python). Consider the...
View ArticlePlumber API to accept images for API scoring
I am trying to write a plumber function to accept images and score on images and return the scored result. So there are two parts I am trying to figure out. Part 1: writing plumber function and this is...
View Articlechange the python code to R code (especially, numpy and seaborn ) [closed]
Hopefully, I would like to change the python code below to 'R code'.==============================================import numpy as np xd = np.float32(np.random.rand(2,100)) yd= np.dot([ 0.1, 0.2], xd) +...
View ArticleRenaming different columns in a list of tibbles using purrr
I'm trying to rename several columns in a list of tibbles based on regex.Let's take a look on the following example:library(tidyverse) df1 <- tibble( id_site = 1, country = rep(paste0("country",...
View ArticleIn regex, what's the difference between a lookbehind and \K? [duplicate]
This question already has an answer here:Positive lookbehind vs match reset (\K) regex feature 1 answerI just learned about \K in regex, and was wondering if somebody could explain how it's different...
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TOC summary in the header of each slide
There is the list of possible R-Markdown templates for beamer_presentation in R-Markdown.And most of them include a kind of a "Navigation bar" at the top (or left/right) of each slide, like that:While...
View ArticleHow to incorporate the sufix of an output$sufix name into an...
I am trying to get the sufix of an output$sufix name in R Shiny and incorporate it into the input$sufix_rows_selected function. The drilldown table is coming empty. Would someone have any idea of what...
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Force ggsave to vectorize point geoms in .wmf-files
Plots produced with R are not usable for publication if they cannot be exorted properly. I work on a Windows Machine and use MS Word 2016 for all writing purposes. So, I wish to export my plots as .wmf...
View ArticleWeb Scraping in R | Unable to extract information under a certain node using...
I'm trying to extract a bit of information under the node /html/head/script[16] from a website (here) but am unable to do so. nykaa <-...
View ArticleHow can I empose the ntree parameter into the train() function of caret package?
I am using the following function to do cross-validation with the random forest algorithm on my dataset. However, ntree raises an error, saying that it is not used in the function. Even though I have...
View ArticleR - how to repeat sequence 1 to 522
I have two files ones with 522 project id that I want to extract from the first file.the following code works for extracting but I don't want to repeat manually 522 times the data$projectID==datid[x, ]...
View ArticleHow to iteratively run a query on each column in a SQL table with R?
I have a table with multiple columns (colA, colB, colC) and I want to run a query against each of them and store the result so I can use them for comparison purposes later, for example this query to...
View Articlecreate multiple columns with each column as a sequence of numbers in R
Problem: I wanted to add three columns in my data frame with each column being a sequence of numbers. But I want each column to vary with the other column. So here's an example data frame:data <-...
View ArticleOutput of linear regression model [closed]
I did linear regression model and use summary of the model to display estimates and p.values. I want a global pvalue for categorical variable with more than 2 two values. I know drop1() of the model...
View ArticleHow to establish case/control status based on first and last observations in R
I have a longitudinal dataset in R with mood scores over a period which starts on Day 1 for all IDs. The end day ranges for every ID (between 26 and 35 days). Based on the mood scores, I would like to...
View ArticleBetter solution to check elements of one character vector with another...
Hello! My goal is to compare two character vectors - the main being synonyms and another mixnames. The string elements in mixnames do not match exactly to what is in synonyms therefore some string...
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How can I make R maintain utf8 encodings?
I have utf8 encoded text that R seems to be representing as ascii. Here is the simplest case in the R console. Is there a way to force R to encode the characters in utf8?
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