userJT

userJT has asked 36 questions and find answers to 23 problems.

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userJT questions

dplyr: how can I write equivalent to table() base function and preserve column names?
Regex: How to extract text from last parenthesis
R: readr: How to read a file that is provided via URL and gzipped
How to read an XML input file, manipulate some nodes (remove and rename some) and write the output to a new XML output file?
In R, is there a way to handle NA in an integer column of a data.frame so that NA values are not included when subsetting?
What is the purpose of environments in R and when I need to use more than one?
in R, how can I call a web service if I have WSDL description of it? (consume web service)
How do I validate a CCD HL7 document?
How do you draw a boxplot without specifying x axis?
How to search for multiple strings and replace them with nothing within a list of strings

userJT answers

R: readr: How to read a file that is provided via URL and gzipped
How to extract results from safely in purrr?
How to webscrape secured pages in R (https links) (using readHTMLTable from XML package)?
roxygen2 and RStudio, not creating the documentation for the functions
Is it possible to direct fread within data.table package to skip erroneous rows
Storing specific XML node values with R's xmlEventParse
Parsing XML in R: Incorrect namespaces
How to put filter of renderDataTable at the top in R shiny
Problem loading rJava
Exclude row names from R Shiny renderTable