elpa-ess binary package in Ubuntu Lunar amd64

 Emacs Speaks Statistics (ESS) is an add-on package for GNU Emacs. It is
 designed to support editing of scripts and interaction with various
 statistical analysis programs such as R, S, S-Plus, SAS, Stata, BUGS/JAGS and
 Julia.
 .
 It provides the following features:
  - Editing source code (R, S, S-plus, SAS, BUGS/JAGS, Stata, Julia)
    + Syntactic indentation and highlighting of source code
    + Partial evaluation of code
    + Loading and error-checking of code
    + Source code revision maintenance
    + Batch execution (SAS, BUGS/JAGS)
    + Use of imenu to provide links to appropriate functions
  - Interacting with the process (R, S, S-plus, SAS, Stata, Julia)
    + Command-line editing
    + Searchable Command history
    + Command-line completion of R, S, S-plus object names and file names
    + Quick access to object lists and search lists
    + Transcript recording
    + Interface to the help system
  - Transcript manipulation (R, S, S-plus, Stata)
    + Recording and saving transcript files
    + Manipulating and editing saved transcripts
    + Re-evaluating commands from transcript files
  - Interaction with Help Pages and other Documentation (R)
    + Fast Navigation
    + Sending Examples to running ESS process
    + Fast Transfer to Further Help Pages
  - Help File Editing (R)
    + Syntactic indentation and highlighting of source code
    + Sending Examples to running ESS process
    + Previewing

Source package