R Prophet: Issue with Forward Monthly Dates generated using...
I have dataset with ds and y columns. The ds column has last day of each month as shown below:2018-09-30 2018-10-31 2018-11-30 2018-12-31 2019-01-31 2019-02-28 When I use to extend the dataframe...
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Math symbols in gridExtra table column headers
I need to write the greater or equal than math symbol on two of my column headers and printing a gridExtra table but can't make it work. Below is a small Rmarkdown document showing what I am trying to...
View ArticleLoop calculation with previous value not using for in R
I'm a beginning R programmer. I have trouble in a loop calculation with a previous value like recursion. An example of my data: dt <- data.table(a = c(0:4), b = c( 0, 1, 2, 1, 3)) And calculated...
View Article(Invisible?) table created when saving to docx in officer/R
After three years as an R-user I have a problem that havenโt been solved by looking around at stack overflow. Hence this is my first post. Please let me know if I need to be me more specific in the...
View ArticleRStudio Required Package Versions Could Not Be Found
I updated my Mac to OS10 and attempting to run RStudio Knit, and get the error:"evaluate 0.7.2 is required but 0.7 is available". I tried this and did not fixed the issue:remove.packages("evaluate")...
View ArticleMac OS X R error "ld: warning: directory not found for option"
I am trying to install an R package from source, but getting an error:* installing *source* package โmclustโ ... ** package โmclustโ successfully unpacked and MD5 sums checked ** libs gfortran-4.8...
View ArticleDplyr : unclear usage of any_vars and all_vars predicates when filtering rows...
I am building a network :from <- c("America, port unspecified", "Boston", "Chicago", "America, port unspecified") to <- c("Europe, port unspecified", "Nantes", "Le Havre", "Lisbonn") dataset...
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Removing double values from a column in R
I need to know how many different items are produced by each company (ID). The result should be this:Company 1 = 4 (A,B,C,D)Company 2 = 1 (B)Company 3 = 2 (A,B)Company 4 = 2 (A,B)Which code should I...
View ArticleCan't Understand the following R language line [closed]
data %>% select(gid,id, type, idtype, sourcenode, ctime, car) %>% distinct() -> final final %>% group_by(gid) %>% mutate(count = n()) %>% distinct() -> final final %>%...
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mclapply in R programming- How can I make sure all my cores and memory is...
I am working on doing some computation using parallel::mclapply to parallelize the process. I have a High performance computing server (HPC) with 64GB memory and 28 cores CPU. Speed of the code run has...
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How to insert grouped median segments in violin plot in ggplot2
I'd like to insert median lines for factor levels into a violin plot in ggplot2. Here's some reproducible data:set.seed(12) FactorVar <- sample(LETTERS[1:5], 500, replace = T) NumericVar <-...
View Articlefind JSON in string with recursion limit in r (windows)
I want to build a function that extracts jsons from strings in a generic way (for variable string Formats) with R on Windows.Thanks to #SO I am using:allJSONS <- gregexpr( pattern =...
View ArticleR- How do I convert an UTF8 encoded emoji character to an image?
I have a long vector containing emojis, something like this:emojis <- c("๐","๐ฅ","๐ด","๐","๐") and then I have their utf-8 encodings which I extracted with the help of devtools::install_github(...
View ArticleHow to count occurrences of several strings per row in a data frame in R
i have a question for which I thought I found a solution but if I double checked by hand I got numbers. I searched in other quotes but couldn't get exactly what I am looking for.I have a dataframe with...
View Articleleft_join based on closest LAT_LON in R
I am trying to find the ID of the closest LAT_LON in a data-frame with reference to my original data-frame. I have already figured this out by merging both data-frames on a unique identifier and the...
View ArticleR Shiny showing dataframe (Text Mining)
i try to make sentiment analysis using R Shiny, this is my code.Server.rlibrary(shiny) library(DT) library(tm) clean_data = function(mydata){ ##CLEANING DATASET## #removeURL removeURL <- function(x)...
View ArticleEfficient way to find species specific coefficients for a function call
Andrew Robinson shows in irebreakeR how to compute tree volume using diameter and height. He creates a function which uses coefficients depending on species and diameter. A simplified version looks...
View ArticleProblem with a loop in bmi calculator R language
I have problem with school task -> BMI calculator Here is my code #Przedziaลy niedowaga <- seq(16.00, 18.40, 0.01) norma <- seq(18.50, 24.90, 0.01) nadwaga <- seq(25.00, 30.00, 0.01)...
View ArticleHow can I get a 201 API response in R?
I'm trying to get post an API request at an adserver to later get a specific report with the GET function. But first I have use POST with a specific body to specify the report. It works with the talent...
View ArticleData Frame to matrix - many rows
I'm trying to convert data.frame to matrix. I calculated some statistics for iris dataset and want every statistics to be placed in seperate row. Code below shows all statistics (avg and median) in one...
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