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shiny app deployed in 2018 on shinyapps.io not working locally in 2019

I worked on a historical slavery map shiny app project during 2018 period.My shiny app whas deployed on shinyapps.io with success. You can have a look to my project hereToday, I want to upgrade my app...

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Regular expression weird result [duplicate]

This question already has an answer here:Multiple overlapping regex matches instead of one 2 answersBiostrings gregexpr2 gives errors while gregexpr works fine 1 answerCodegsub('101', '111',...

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Multiple Line Graph in R (ggplot)

I'm trying to plot a multiple line graph using ggplot2. I have a data.table with dates in the format (year-month-day) in the first column. the other columns refer to different strategies and each row...

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R caret: How do I apply separate pca to different dataframes before training?

I use caret in R. My final goal is to submit different dataframes to separate preProcess pca and then put the PCA-components together in one training with ridge regression. However, see example code...

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Error: no successful events when doing an eventstudy in R using...

I am using the eventstudies package in R and I get:Error: no successful eventsI have a data frame of EventDates: name when <chr> <dttm> 1 BMG169621056 2015-05-20 00:00:00 2 BMG491BT1088...

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How to send R variable to bash and again being read by another R process?

I am trying to create a process mainly using R, where a R variable will be sent to bash and then another Rscript file will read that value from bash, do some calculation based on that.My primary R code...

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Error message "Error in .. : could not find function .." [closed]

I wrote a user-defined function in a .R file. lm_Forecast=function(d,h){ if (ncol(d)>=1){ d<-d[complete.cases(d),] #lmmod <- lm(d$`Gross Sales` ~ paste(colnames(d)[2:length(colnames(d))],...

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making space between next values on y axis

ggplot(dane, aes(x=państwo, y=całkowiteZarobki)) + geom_point(aes(col=rodzajSportu, size=całkowiteZarobki)) + geom_smooth(method="loess", se=F) + labs(subtitle="Area Vs Population", y="Population",...

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Data manipulation with forecasting data

I am trying to make forecasting for sales from two stores: Store 1 and Store 2. Like results from forecasting with forecasting package I got this two table.First table contain data about MAPE error...

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Convert sRGB to Lab with convertColor?

I'm trying to work with Lab colour, and need to do conversions from sRGB, ideally with R. I've just given convertColor package a go, and am a little confused. As a test, I'm converting the Macbeth...

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Matching points to nodes using voronoi tessellation in R

I am trying to match the values of a set of points at fixed locations across multiple years to their nearest nodes that are also at fixed points. To do this I have chosen to use a Voronoi tesselation...

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Unit test in R with testthat fails but Travis CI build is successful

I am currently working on a toy R package to see how it works with CI. I am trying to use unit tests with the testthat package. I use GitHub and Travis for CI integration.For reproducing the results,...

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Tidy dataframes with special characters

My dataset in csv format (available here) is as follows: I tried to import the data into R with the following document:library(tidyverse) data <- read_csv("<Path to file>\\Sample.csv") When I...

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Banding Variable in R

For the following code:x <- data.frame(year = c(1730, 1860, 1941, 2011)) century_bands <- data.frame(min_year = c(1700, 1800, 1900, 2000), max_year = c(1799, 1899, 1999, 2099), century_name =...

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R - Function Within A Function [closed]

How to make a simple function within a function code in R Studio?

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Computing skewness and kurtosis in stargazer

I will like to know how to compute skewness and kurtosis statistics in stargazer. The built in functions per the documentation does not include the above two descriptive statistics. I would be very...

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Write large fixed width dataset in local database using RSQLite with R

I have a many Gb fixed width dataset which I would like to write to a local database using RSQLite, since I can not load it into RAM memory. Does anyone know how to do this?The preferred packages...

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Why I need to assign a data.table to a new object to filter rows?

I'm just starting to learn data.table in r and library(data.table) data(iris) iris[Species == 'setosa'] The code above doesn't filter the rows where the species are setosa in the dataset, it just print...

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Choosing data from one Table that have similar data in another table

I have a very unusual question that involves matching data with similar values in two separate tables in SQL Server. for example, I have two tables:The first table contains the following data:JobID...

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Shiny refuses to draw charts despite there being Output

I wrote Shiny app but for some reason it shows no charts when I run it. I thought it might be due to no Output, but I double checked it and there is one. My uiOutput works perfectly fine and sidebar is...

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