Line for the server...
"Thanks Martin, your memory is clearly better than mine to remember that
from 2005!"
That is very flattering for me, but I have only been around in earnest since
spring 2008. Checking -whatsnew- is part of my routine when backwards
compatibility is a subject on the list...
HTH
Martin
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Neil Shephard
Sent: Wednesday, November 26, 2008 11:16 AM
To: [email protected]
Subject: Re: st: RE: egen & sum()
Martin Weiss wrote:
> See - help whatsnew8to9- and search for "sum()"
>
> "The following egen functions have been renamed:
>
> old name new name
> ------------------------
> any() anyvalue()
> eqany() anymatch()
> neqany() anycount()
> rfirst() rowfirst()
> rlast() rowlast()
> rmean() rowmean()
> rmin() rowmin()
> rmiss() rowmiss()
> robs() rownonmiss()
> rsd() rowsd()
> rsum() rowtotal()
> sum() total()
> ------------------------"
>
Thanks Martin, your memory is clearly better than mine to remember that
from 2005! I thought that might have been the case and had read -man
whatsnew- but hadn't gone back further (I also neglected to state that
I'm using Stata 10.1 born 11 Aug 2008)
I just checked a few others and it seems that the old names are still
valid (see continued examples below), presumably to provide a degree of
backwards compatability when running scripts under old versions?
. clear
. set obs 10
obs was 0, now 10
. gen a = _n
. gen b = sum(a)
. egen b2 = sum(a)
. egen b3 = total(a)
. egen c = rmean(b b2 b3)
. egen c2 = rowmean(b b2 b3)
. egen d = rlast(b b2 b3)
. egen d2 = rowlast(b b2 b3)
. egen e = rmin(b b2 b3)
. egen e2 = rowmin(b b2 b3)
. list
+-------------------------------------------------------------+
| a b b2 b3 c c2 d d2 e e2 |
|-------------------------------------------------------------|
1. | 1 1 55 55 37 37 55 55 1 1 |
2. | 2 3 55 55 37.66667 37.66667 55 55 3 3 |
3. | 3 6 55 55 38.66667 38.66667 55 55 6 6 |
4. | 4 10 55 55 40 40 55 55 10 10 |
5. | 5 15 55 55 41.66667 41.66667 55 55 15 15 |
|-------------------------------------------------------------|
6. | 6 21 55 55 43.66667 43.66667 55 55 21 21 |
7. | 7 28 55 55 46 46 55 55 28 28 |
8. | 8 36 55 55 48.66667 48.66667 55 55 36 36 |
9. | 9 45 55 55 51.66667 51.66667 55 55 45 45 |
10. | 10 55 55 55 55 55 55 55 55 55 |
+-------------------------------------------------------------+
Should these synonyms be mentioned in -man egen- or will they quietly
fade away in subsequent releases? (I guess Stata Corp. are the only
people who might answer that).
Neil
--
"We should make things as simple as possible, but not simpler" - Anon (not
Albert Einstein)
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