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How to add color in emmeans graph?

I would like to have one color for each level in x axis. I have tried different ways to enter the colour via col argument, but it doesn't seem to work. So far:df <- structure(list(Scanner =...

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my shiny app does not load images after deploy on shinyapps.io but it works...

I had put all my images in "www" folder while deploying the app. But even though it is unable to load the image https://tejasviohlan.shinyapps.io/student/ while it works fine locally you can look...

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Spreadsheet-like calculation in R with a growth component

I have a spreadsheet calculation that I want to transfer into R. I have a few columns and rows that I am trying to do some simple arithmetic on, and a couple of ifelse.See imageThe short question...

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Can geom_smooth accept logical variables for glm?

I have a tibble with numerical and logical variables, e.g. like this: x f y <dbl> <int> <dbl> 1 -2 1 -0.801 2 -1.96 0 -2.27 3 -1.92 0 -1.75 4 -1.88 0 -2.44 5 -1.84 1 -0.123 ... For...

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Compare two strings and look for differences and display them for easy...

Suppose I have to rather long (>100k character) strings which are mostly identical but differ in some locations. Git has the concept of a 'diff', which shows only the differences between two (text)...

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How would I recursively add values in a tibble using purr in the tidyverse

I'm new to R and the tidyverse and I'm trying to understand how purrr could be used to add recursively.I have a tibble comprised of 8 rows and 4 columns. The data in the tibble represents runners at...

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How to show code but hide output in RMarkdown?

I want my html file to show the code, but not the output of this chunk:```{r echo=True, include=FALSE} fun <- function(b) { for(a in b) {print(a) return(a * a)} } y <- fun(b) ``` When I run the...

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Create a new Rcpp::DateVector using given dates as string

How can I create a new DateVector (a C++ class from the package Rcpp) with dates given during compile time?Since a DateVector is an NumericVector I can do this:DateVector d = DateVector::create(14974,...

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How to split number series in equal size chunks and save in a list in r

I'm new to R. I am trying to separate a series of number into equal-sized chunks, for example, X <- 123456798123 it has 12 characters in it. Now I want to divide/split them into 6 character size...

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excelTable from excelR package R programming is not showing out put

excelTable() from ExcelR package is showing no output in the Viewer Pane. I have updated all the dependent packages. what could be the problem?data = data.frame(Model = c('Mazda', 'Pegeout', 'Honda...

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comparing two numerical variables in R

I have run the R function stl() function and use its generated residuals for grubbs test. The code is the following:stl.res = stl(dataset, s.windows='periodic') residuals =...

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Handling java.lang.OutOfMemoryError when writing to Excel from R

The xlsx package can be used to read and write Excel spreadsheets from R. Unfortunately, even for moderately large spreadsheets, java.lang.OutOfMemoryError can occur. In particular,Error in...

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R %in% operator for RefClass objects

I've the following problem. I know how to do a workaround for this but its more of a esthetic thing:A <- setRefClass("A", fields = list(a = "character")) A$methods( equal = function(obj){ a == obj$a...

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add saga gis to PATH and execute it from command line

I know this is a way too easy question. That's probably why I didn't find anything useful on stackoverflow. So I downloaded SAGA and just want to run in from my command line. I thaught well, that can't...

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Setting active docker machine in R

I wanted to do some webscrapping in more professional way. To do this I wanted to start a docker machine and run selenium server on it from R.My code:shell("docker-machine create m1") # Creating docker...

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Is there a function in Base R that convert fractions to doubles [duplicate]

This question already has an answer here:Convert a character vector of mixed numbers, fractions, and integers to numeric 2 answersI have a dataframe that includes both pure fractions, integers with...

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Multiple time series in a long format tsibble

I want to run time series models to forecast one step ahead using fable package. As far I understand, I need to have my data in tsibble format. Here is what I am trying to do,Generate three idsTime...

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Select rows with common ids in grouped data frame

I am searching for a simpler solution to the following problem. Here is my setup:test <- tibble::tribble( ~group_name, ~id_name, ~varA, ~varB, "groupA", "id_1", 1, "a", "groupA", "id_2", 4, "f",...

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How is possible that X is acting like a vector and a concrete variable at the...

I'll use the following code example:minmax_norm <- function(X) { (X - min(X))/diff(range(X)) } dSeeds_minmax <- apply(dSeeds,2,minmax_norm) How is possible that X is acting like each column of...

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convert df from factor to numeric

I am struggling to convert my dataset into numeric values. The dataset I have looks like this: customer_id 2012 2013 2013 2014 2015 2016 2017 15251 X N U D S C L X1 - X7 are marked as factors. The...

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