I'm working on a project website that provides information to the public
about field and lab results of water samples from gas well pads. Each pad
or site sample has its own tiddler with custom fields and tags.
For example, there are 8 pad sites. At each pad site, there are multiple
sample sites (5-20). And all of these are sampled quarterly. So I have a
tiddler for each sample that is tagged with the pad site, the sample site
ID, year, date, etc. Then each tiddler has custom fields for data (e.g.,
pH, TDS, alkalinty, etc.). I have a lot of tiddlers!!
I've been able to build tables easily enough for things like: all the
samples from Pad X during Dec 2011, where I've displayed the field data.
I've even been able to create summary tables for each sample site, where
each row is the field data from a different sampling period (date). And
I've even figured out how to add a final row that displays the mean values
for each column.
Now, what I'd like to do is create a summary table for a certain variable.
For example, a table where I displayed all chloride values, where each row
was a specific sampling site, and each column was the chloride value from a
particular time period.
e.g.
Year 1 Year 2
Year 3
Site Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
site 1 # # # # # # # # #
# # #
site 2 # # # # # # # # #
# # #
...
means # # # #
....
So each # represents a value of chloride from a different tiddler (all
values in the first data row would be tagged as site 1, all values in the
first data column would be tagged with the year and sampling quarter).
Is there any way to do a nested "list filter"?
I can grab a list of all sites tagged "pad" and sort by site ID, but is
there a way then to in the first row, grab all the chloride values for JUST
site 1 tiddlers and display in columns, then move to the next row and grab
all the chloride values for JUST site 2 tiddlers, etc.?
Thanks,
Nate
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