Re: [R example for org-table with ifs]

[Uwe Brauer]

>>> "GM" == Greg Minshall <minshall@umich.edu> writes:

Greg


> Uwe,
> well, *i* no longer remember how to read calc-like expressions.  and,
> i'm a notoriously poor R coders.  assuredly the following is not doing
> what you want, but possibly you'll get the idea.  (if 102.01 is, indeed,
> the correct answer, feel free to buy me a hot fudge sundae some day. :)


Thanks but I have to disappoint you the correct result should be 10.1

> cheers, Greg

> #+name: thing
> | / | <>      |    <> |     <> |      <> |       <> | <>     | <>      |

> |   |         | DMI G | DMNI H | ExNDM I | ExNDNM J | Result | Weight2 |
> |   | Weight: |     1 |    0.2 |       1 |      0.1 |        | 0.1     |
> |---+---------+-------+--------+---------+----------+--------+---------|
> |   | User1   |     0 |      0 |      11 |        0 | 10.1   |         |
> |---+---------+-------+--------+---------+----------+--------+---------|

> #+TBLFM: $7=if($3>10,($3-10)*@3$8,0)+ min(10,$3)*@3$3+ min(10,$4)*@3$4 + 
> if($5>10,($5-10)*@3$8,0)+min(10,$5)*@3$5 +@3$6*$6;f1::

> - does "@3$3" mean the third column in the third row? 
yes
>   - is that the "DMNI H" column? That is 0.2
>   - is that the "User1" row? 

No, it is the weight row

> i replace "@3" with the last row of the input table.

> #+begin_src R :var some=thing :session R :colnames yes
>   ## in imported colnames, spaces are replaced with periods
>   some[,"Result"] <- ifelse(some[,"DMNI.H"] > 10, (some[, "DMNI.H"] - 10.0) *
>                                                  (some[nrow(some), 
> "Weight2"]),
>                             0.0) +
>     (min(10, some[, "DMNI.H"]) * some[nrow(some), "ExNDM.I"]) +
>     (ifelse(some[, "ExNDNM.J"] > 10, some[, "ExNDNM.J"] - 10 * 
> some[nrow(some), "DMNI.H"], 0)) +
>     (min(10, some[, "ExNDNM.J"]) * some[nrow(some), "ExNDNM.J"]) +
>     (some[nrow(some), "Result"] * some[, "Result"])
> #+end_src

Thanks I will play around a bit, but for the moment I think I have to
stick with calc

Uwe

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