Jason Grout wrote:

> 
> So it looks like MASS is installed.  Do you know a command I can check 
> it with?

Indeed, it appears that it works and loads the MASS library:


sage: import rpy2.rpy_classic as rpy
sage: r=rpy.r
sage: rpy.set_default_mode(rpy.BASIC_CONVERSION)
sage: r.library('MASS')

['MASS',
  'stats',
  'graphics',
  'grDevices',
  'utils',
  'datasets',
  'methods',
  'base']
sage: r.DDT

[2.79,
  2.9300000000000002,
  3.2200000000000002,
  3.7799999999999998,
  3.2200000000000002,
  3.3799999999999999,
  3.1800000000000002,
  3.3300000000000001,
  3.3399999999999999,
  3.0600000000000001,
  3.0699999999999998,
  3.5600000000000001,
  3.0800000000000001,
  4.6399999999999997,
  3.3399999999999999]

(DDT is a dataset included in the MASS package; see 
http://stat.ethz.ch/R-manual/R-patched/library/MASS/html/00Index.html)


Jason


-- 
Jason Grout

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