Not sure about the studio package off hand - but the r package can be found in the Ubuntu repos that you have access to by default on Bodhi:
sudo apt-get install r-base
You can install synaptic from the app center if you want a GUI for searching all the packages in the Ubuntu repos. The Bodhi app center has the goal of being a "precise" application list for common application uses and is not exhaustive for this reason.
For those who want to try bleeding edge I've added 64bit package of EFL 1.20 and E22 to the testing branch. They install well enough, but were giving me fairly frequent segfaults while playing with things in my VM.
After adding the b4testing branch to your repos you can install E22 with the commands:
The rearranging as you describe occasionally happens when you have gadgets that change sizes as part of their function. The cleanest way to make it not happen is to ensure your gadgets that change sizes are located at the "outside" of a group of gadgets. By this I mean make sure your systray and taskbar gadgets have empty shelf space on at least one side of them as opposed to putting them sandwiched between two other gadgets.
For reference all the firefox packages in Bodhi are stock from the Ubuntu repos - feel free to report this issue upstream to the Ubuntu folks as the desktop Bodhi uses shouldn't have any effect on this.
Honestly I'm not sure I want to upgrade EFL on Bodhi's current release for the sake of a new application. The last time we changed EFL versions we hit all sorts of memory leaks and issues that caused hard locks.
Perhaps we can stick it all into the testing branch, but I doubt I'll personally have time to chase down any issues that come out of it before the end of year holidays.
Ecomorph and ecomp are actually in the Bodhi 4 repos. They have some outstanding bugs (especially with multi monitor setups) but work well enough on single screen systems http://packages.bodh.../pool/b4main/e/