Re: Sorting by date

• To: mathgroup at smc.vnet.net
• Subject: [mg72757] Re: Sorting by date
• From: "Scout" <sarner2006[hyphen]sem at yahoo.it>
• Date: Thu, 18 Jan 2007 05:30:20 -0500 (EST)
• References: <eoa6ji\$mi6\$1@smc.vnet.net>

```Hi Cliff,
let's call ld your list, so:
ld[[Ordering[ld[[All, {4}]]]]]

is the sorted list according to the dates.
Regards,
~Scout~.

"Clifford Martin" <camartin at snet.net> ha scritto nel messaggio
news:eoa6ji\$mi6\$1 at smc.vnet.net...
> Hi All,
>
> I have a list of lists that looks like so:
>
>
> {{3, 137.5, 13978, {2005, 2, 8}}, {3, 138.5, 12519, {2005, 1, 4}}, {3,
> 171.9, 15835, {2005, 4, 12}}, {3, 142.8, 17137, {2005, 11, 19}},
>  {3, 161.1, 18881, {2006, 1, 18}}, {3, 108.7, 20055, {2006, 2, 28}}, {3,
> 157, 21498, {2006, 9, 14}}, {3, 118.1, 10891, {2004, 11, 12}}}
>
> The last element per vector is a date. I'd like to sort the list so that
> the vectors are arranged in ascending order of date, i.e. the vector
> containing {2004,11,12}  should be first and and the vector containing
> {2006,9,14}  should be last. Any help would be appreciated.
>
> Thanks
>
> Cliff
>

```

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