I'm trying to read John Chambers (1998) Programming with Data (Springer), and I'm finding many functions (e.g., deparseText on p. 102 or levelsIndex on p. 203) that seem not to be available on R 1.9.1; many of these are available in S-Plus 6.2, though often with limited documentation. I have two questions about this:

1. Does anyone have suggestions on which parts of this book should receive most attention and which parts might be skipped as (a) it is not used by the most important material later in the book, and (b) much of what is different from other convenient sources has not been implemented in R?

2. Is there a package available that provides an R implementation of these functions? If yes, how can I get it?

     Thanks,
     Spencer Graves

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