pablovgd/TARDIS

AI Summary: A user encountered an "Error in : : argument of length 0" warning when attempting to run the TARDIS software on polar metabolomics data in negative ionization mode. They provided the full file paths for their data and Excel file, along with a detailed list of all input settings used in the Shiny application, including blank fields for 'sample pattern' and 'QC pattern'. The user is seeking help to understand the cause of this error.