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Check support for all types of special row.names #39

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cubranic opened this issue Nov 21, 2014 · 1 comment
Closed

Check support for all types of special row.names #39

cubranic opened this issue Nov 21, 2014 · 1 comment

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@cubranic
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See the help page for row.names and .row_names_info. There are "automatic" and "compact" encodings, and possibly others.

Further discussion on SO and R-devel mailing list on Nov 10, 2014.

@cubranic
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From the help page for .row_names_info:

‘row.names’ can be stored internally in compact form.
‘.set_row_names(n)’ generates that form for automatic row names of
length ‘n’, to be assigned to ‘attr(, "row.names")’.
‘.row_names_info’ gives information on the internal form of the
row names for a data frame [depending on the value of]
the argument ‘type’.

Currently ‘type = 0’ returns the internal
‘"row.names"’ attribute (possibly ‘NULL’), ‘type = 2’ the
number of rows implied by the attribute, and ‘type = 1’ the
latter with a negative sign for ‘automatic’ row names.

cubranic added a commit that referenced this issue Dec 17, 2014
Changes since v0.092:

- Implement complex vector SEXPs (#30)
- Implement closure SEXPs (#29, #32, #34, #35, #36, #38)
- Implement expression SEXPs (#26)
- Implement special environments global, base, and empty (#31, #33)
- Allow configuring Rserve host from WebWork settings
- Add graceful failure in WWk macros if Rserve host is not configured
- Fix parsing of special row names (#39)
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