I have a database stored in MySQL and need to connect to it in R using the tcpl R package. I tried connecting using the following: tcplConf(user='root', password= YOUR_PW, db='prod_internal_invitrodb_v4_1', drvr='MySQL', host='localhost') This however keeps giving an error: Error: Failed…
I am working with the R programming language. Suppose I take the answer from this stackoverflow post (from u/Michael Hardy): https://math.stackexchange.com/a/62963/1296713 Using R and the hyperlink (i.e. https://math.stackexchange.com/a/62963/1296713 ), I want to take this answer (only the answer, not the…
I've a R shiny application in which I am using virtualSelectInput to show list of values for my filter. But some of my text values are long and the dropbox hides them by ellipsis(...). I see that the Virtual Select…
I started using hot_validate_numeric() of the rhandsontable package and it is proving to be very useful for user input validation. Per the below MWE code, the user can only input numeric values ranging from 1 to 10, and if the…
I am trying to copy a table from a webpage, there are going to be many as I am trying to get the versions of the data for each dataset, I am trying to get at least one table but…
A seemingly simple JSON file that I would like to parse with R: tmp_extract <- "{"encrypted_values":[{"name_a":"value_a"}, {"name_b":"value_b"}, {"name_c":"value_c"}]}" An attempt with jsonlite::fromJSON produces a dataframe with as many columns as there are names and only a value per column. tmp_extract…
My goal is to get EVERY tweet ever for any twitter account. I picked the NYTimes for this example. The code below works, but it only pulls the last 100 tweets. max_results does not allow you to put a value…
is there a way to use lubridates:floor_date() in a postgres backend with non-standart units like '2 month'? or good alternatives?? I have a lazy tbl with a date column and want to group this column by x months. Like so..…
I am looking to create a bar plot in R combining data from 2 different dataframes plus using a third variable as fill. The data: all_spp <- data.frame(NAME=c("A", "B", "C", "D"), spp=c(9, 5, 8, 6), cat=c("I", "II", "III", "IV") )…
I am currently working on a Shiny application where I am using the rhandsontable package to display a table. Here is the code I am using: library(shiny) library(rhandsontable) ui <- fluidPage( mainPanel( rHandsontableOutput("myTable") ) ) server <- function(input, output) {…