Re: [xsl] grouping

["David Carlisle d.p.carlisle@xxxxxxxxx" <xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>]

I don't understand your data, why is the end time the same as start time in
all cases?

On Fri, 2 Jan 2026 at 14:34, Dave Pawson dave.pawson@xxxxxxxxx <
xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:

>
>
> On Fri, 2 Jan 2026 at 14:25, G. Ken Holman g.ken.holman@xxxxxxxxx <
> xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:
>
>> At 02/01/2026 14:15 +0000, you wrote:
>> >Hi Ken.
>> >
>> >On Fri, 2 Jan 2026 at 14:06, G. Ken Holman <mailto:
>> g.ken.holman@xxxxxxxxx>g.ken.holman@xxxxxxxxx <<mailto:
>> xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx>
>> xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:
>> >You don't provide enough data to do any testing,
>> >
>> >All there are are more of the same?
>>
>> I understand it is all more of the same ... but I can't test a proposed
>> solution to the problem without hand-creating a day's worth of data across
>> two different days in order to test what I propose.
>
>
> Apols to the list.
> Below just over two days Ken.
>
> regards
>
>
> <?xml version="1.0" encoding="utf-8"?>
> <data>
>    <date>
>       <yr>2025</yr>
>       <mn>12</mn>
>    </date>
>    <period>
>       <pwr>0.136000</pwr>
>       <cost>0.95204760000</cost>
>       <start>
>          <date>12-01</date>
>          <time>00:00</time>
>       </start>
>       <end>00:00</end>
>    </period>
>    <period>
>       <pwr>0.171000</pwr>
>       <cost>1.19705985000</cost>
>       <start>
>          <date>12-01</date>
>          <time>00:30</time>
>       </start>
>       <end>00:30</end>
>    </period>
>    <period>
>       <pwr>0.138000</pwr>
>       <cost>0.96604830000</cost>
>       <start>
>          <date>12-01</date>
>          <time>01:00</time>
>       </start>
>       <end>01:00</end>
>    </period>
>    <period>
>       <pwr>0.172000</pwr>
>       <cost>1.20406020000</cost>
>       <start>
>          <date>12-01</date>
>          <time>01:30</time>
>       </start>
>       <end>01:30</end>
>    </period>
>    <period>
>       <pwr>0.122000</pwr>
>       <cost>0.85404270000</cost>
>       <start>
>          <date>12-01</date>
>          <time>02:00</time>
>       </start>
>       <end>02:00</end>
>    </period>
>    <period>
>       <pwr>0.181000</pwr>
>       <cost>1.26706335000</cost>
>       <start>
>          <date>12-01</date>
>          <time>02:30</time>
>       </start>
>       <end>02:30</end>
>    </period>
>    <period>
>       <pwr>0.107000</pwr>
>       <cost>0.74903745000</cost>
>       <start>
>          <date>12-01</date>
>          <time>03:00</time>
>       </start>
>       <end>03:00</end>
>    </period>
>    <period>
>       <pwr>0.167000</pwr>
>       <cost>1.16905845000</cost>
>       <start>
>          <date>12-01</date>
>          <time>03:30</time>
>       </start>
>       <end>03:30</end>
>    </period>
>    <period>
>       <pwr>0.113000</pwr>
>       <cost>0.79103955000</cost>
>       <start>
>          <date>12-01</date>
>          <time>04:00</time>
>       </start>
>       <end>04:00</end>
>    </period>
>    <period>
>       <pwr>0.174000</pwr>
>       <cost>1.21806090000</cost>
>       <start>
>          <date>12-01</date>
>          <time>04:30</time>
>       </start>
>       <end>04:30</end>
>    </period>
>    <period>
>       <pwr>0.167000</pwr>
>       <cost>1.16905845000</cost>
>       <start>
>          <date>12-01</date>
>          <time>05:00</time>
>       </start>
>       <end>05:00</end>
>    </period>
>    <period>
>       <pwr>0.215000</pwr>
>       <cost>6.80322457500</cost>
>       <start>
>          <date>12-01</date>
>          <time>05:30</time>
>       </start>
>       <end>05:30</end>
>    </period>
>    <period>
>       <pwr>0.752000</pwr>
>       <cost>23.79546456000</cost>
>       <start>
>          <date>12-01</date>
>          <time>06:00</time>
>       </start>
>       <end>06:00</end>
>    </period>
>    <period>
>       <pwr>0.365000</pwr>
>       <cost>11.54966032500</cost>
>       <start>
>          <date>12-01</date>
>          <time>06:30</time>
>       </start>
>       <end>06:30</end>
>    </period>
>    <period>
>       <pwr>0.808000</pwr>
>       <cost>25.56746724000</cost>
>       <start>
>          <date>12-01</date>
>          <time>07:00</time>
>       </start>
>       <end>07:00</end>
>    </period>
>    <period>
>       <pwr>0.818000</pwr>
>       <cost>25.88389629000</cost>
>       <start>
>          <date>12-01</date>
>          <time>07:30</time>
>       </start>
>       <end>07:30</end>
>    </period>
>    <period>
>       <pwr>0.415000</pwr>
>       <cost>13.13180557500</cost>
>       <start>
>          <date>12-01</date>
>          <time>08:00</time>
>       </start>
>       <end>08:00</end>
>    </period>
>    <period>
>       <pwr>0.705000</pwr>
>       <cost>22.30824802500</cost>
>       <start>
>          <date>12-01</date>
>          <time>08:30</time>
>       </start>
>       <end>08:30</end>
>    </period>
>    <period>
>       <pwr>0.234000</pwr>
>       <cost>7.40443977000</cost>
>       <start>
>          <date>12-01</date>
>          <time>09:00</time>
>       </start>
>       <end>09:00</end>
>    </period>
>    <period>
>       <pwr>0.293000</pwr>
>       <cost>9.27137116500</cost>
>       <start>
>          <date>12-01</date>
>          <time>09:30</time>
>       </start>
>       <end>09:30</end>
>    </period>
>    <period>
>       <pwr>0.197000</pwr>
>       <cost>6.23365228500</cost>
>       <start>
>          <date>12-01</date>
>          <time>10:00</time>
>       </start>
>       <end>10:00</end>
>    </period>
>    <period>
>       <pwr>0.217000</pwr>
>       <cost>6.86651038500</cost>
>       <start>
>          <date>12-01</date>
>          <time>10:30</time>
>       </start>
>       <end>10:30</end>
>    </period>
>    <period>
>       <pwr>0.871000</pwr>
>       <cost>27.56097025500</cost>
>       <start>
>          <date>12-01</date>
>          <time>11:00</time>
>       </start>
>       <end>11:00</end>
>    </period>
>    <period>
>       <pwr>0.287000</pwr>
>       <cost>9.08151373500</cost>
>       <start>
>          <date>12-01</date>
>          <time>11:30</time>
>       </start>
>       <end>11:30</end>
>    </period>
>    <period>
>       <pwr>0.173000</pwr>
>       <cost>5.47422256500</cost>
>       <start>
>          <date>12-01</date>
>          <time>12:00</time>
>       </start>
>       <end>12:00</end>
>    </period>
>    <period>
>       <pwr>0.216000</pwr>
>       <cost>6.83486748000</cost>
>       <start>
>          <date>12-01</date>
>          <time>12:30</time>
>       </start>
>       <end>12:30</end>
>    </period>
>    <period>
>       <pwr>0.196000</pwr>
>       <cost>6.20200938000</cost>
>       <start>
>          <date>12-01</date>
>          <time>13:00</time>
>       </start>
>       <end>13:00</end>
>    </period>
>    <period>
>       <pwr>0.497000</pwr>
>       <cost>15.72652378500</cost>
>       <start>
>          <date>12-01</date>
>          <time>13:30</time>
>       </start>
>       <end>13:30</end>
>    </period>
>    <period>
>       <pwr>0.208000</pwr>
>       <cost>6.58172424000</cost>
>       <start>
>          <date>12-01</date>
>          <time>14:00</time>
>       </start>
>       <end>14:00</end>
>    </period>
>    <period>
>       <pwr>0.258000</pwr>
>       <cost>8.16386949000</cost>
>       <start>
>          <date>12-01</date>
>          <time>14:30</time>
>       </start>
>       <end>14:30</end>
>    </period>
>    <period>
>       <pwr>0.282000</pwr>
>       <cost>8.92329921000</cost>
>       <start>
>          <date>12-01</date>
>          <time>15:00</time>
>       </start>
>       <end>15:00</end>
>    </period>
>    <period>
>       <pwr>0.184000</pwr>
>       <cost>5.82229452000</cost>
>       <start>
>          <date>12-01</date>
>          <time>15:30</time>
>       </start>
>       <end>15:30</end>
>    </period>
>    <period>
>       <pwr>1.015000</pwr>
>       <cost>32.11754857500</cost>
>       <start>
>          <date>12-01</date>
>          <time>16:00</time>
>       </start>
>       <end>16:00</end>
>    </period>
>    <period>
>       <pwr>1.256000</pwr>
>       <cost>39.74348868000</cost>
>       <start>
>          <date>12-01</date>
>          <time>16:30</time>
>       </start>
>       <end>16:30</end>
>    </period>
>    <period>
>       <pwr>0.445000</pwr>
>       <cost>14.08109272500</cost>
>       <start>
>          <date>12-01</date>
>          <time>17:00</time>
>       </start>
>       <end>17:00</end>
>    </period>
>    <period>
>       <pwr>0.398000</pwr>
>       <cost>12.59387619000</cost>
>       <start>
>          <date>12-01</date>
>          <time>17:30</time>
>       </start>
>       <end>17:30</end>
>    </period>
>    <period>
>       <pwr>0.185000</pwr>
>       <cost>5.85393742500</cost>
>       <start>
>          <date>12-01</date>
>          <time>18:00</time>
>       </start>
>       <end>18:00</end>
>    </period>
>    <period>
>       <pwr>0.128000</pwr>
>       <cost>4.05029184000</cost>
>       <start>
>          <date>12-01</date>
>          <time>18:30</time>
>       </start>
>       <end>18:30</end>
>    </period>
>    <period>
>       <pwr>0.120000</pwr>
>       <cost>3.79714860000</cost>
>       <start>
>          <date>12-01</date>
>          <time>19:00</time>
>       </start>
>       <end>19:00</end>
>    </period>
>    <period>
>       <pwr>0.120000</pwr>
>       <cost>3.79714860000</cost>
>       <start>
>          <date>12-01</date>
>          <time>19:30</time>
>       </start>
>       <end>19:30</end>
>    </period>
>    <period>
>       <pwr>0.126000</pwr>
>       <cost>3.98700603000</cost>
>       <start>
>          <date>12-01</date>
>          <time>20:00</time>
>       </start>
>       <end>20:00</end>
>    </period>
>    <period>
>       <pwr>0.224000</pwr>
>       <cost>7.08801072000</cost>
>       <start>
>          <date>12-01</date>
>          <time>20:30</time>
>       </start>
>       <end>20:30</end>
>    </period>
>    <period>
>       <pwr>0.116000</pwr>
>       <cost>3.67057698000</cost>
>       <start>
>          <date>12-01</date>
>          <time>21:00</time>
>       </start>
>       <end>21:00</end>
>    </period>
>    <period>
>       <pwr>0.311000</pwr>
>       <cost>9.84094345500</cost>
>       <start>
>          <date>12-01</date>
>          <time>21:30</time>
>       </start>
>       <end>21:30</end>
>    </period>
>    <period>
>       <pwr>0.186000</pwr>
>       <cost>5.88558033000</cost>
>       <start>
>          <date>12-01</date>
>          <time>22:00</time>
>       </start>
>       <end>22:00</end>
>    </period>
>    <period>
>       <pwr>0.090000</pwr>
>       <cost>2.84786145000</cost>
>       <start>
>          <date>12-01</date>
>          <time>22:30</time>
>       </start>
>       <end>22:30</end>
>    </period>
>    <period>
>       <pwr>0.096000</pwr>
>       <cost>3.03771888000</cost>
>       <start>
>          <date>12-01</date>
>          <time>23:00</time>
>       </start>
>       <end>23:00</end>
>    </period>
>    <period>
>       <pwr>0.098000</pwr>
>       <cost>0.68603430000</cost>
>       <start>
>          <date>12-01</date>
>          <time>23:30</time>
>       </start>
>       <end>23:30</end>
>    </period>
>    <period>
>       <pwr>0.090000</pwr>
>       <cost>0.63003150000</cost>
>       <start>
>          <date>12-02</date>
>          <time>00:00</time>
>       </start>
>       <end>00:00</end>
>    </period>
>
> --
> Dave Pawson
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