[R] library MASS -- polr function

[Marc R. Feldesman]

What version of R and what platform.  I just pasted your example code 
directly into R (1.2.1/Windows) and it ran without an error.  I get the 
t-values and the Std Errors with no problem.

It does precede the output by noting:

Re-fitting to get Hessian

              Value Std. Error    t value
Sampley -0.2056671  0.8285269 -0.2482322
-1|0    -1.1998700  0.6613101 -1.8143835
0|1      0.3079109  0.6023141  0.5112132

Was there something else you expected to happen?

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