Vielen Dank. Ich hab' nicht gewusst uber diese Option! On Friday, March 6, 2015 at 2:12:19 PM UTC-5, Andreas Hahn wrote: > > Hi Nathan, > > I am pretty sure the let filter operator from Tobias [1] will help you out > there. There are even some examples for calclulating averages [2]. > > /Andreas > > [1] http://let.tiddlyspot.com > [2] http://let.tiddlyspot.com/#AVG > > > Am 06.03.2015 um 18:29 schrieb [email protected] <javascript:>: > > I've read over several posts regarding using some javascript macros to > manipulate fields as numerical values, but I haven't found an answer to > whether or not the following is possible: > > I'm working on a wiki to publicly display results of water sample analyses > for a project. I create a tiddler for each sample, and each tiddler has a > number of custom fields (i.e., site ID, pH, total dissolved solids, ppm > chloride, etc.). Now, I've figured out a way to create tables that brings > in data from all tiddlers of a specific tag (e.g., site ID, sample date, > chemical parameter) and each time I add a new sample, the table tiddlers > automatically add that information. > > Example of table: > ''Summary of Field Data for Gaut Pad Site G-01 to Date'' > > <table> > @@.center > <tr><th>Year</th><th>Qtr</th><th>Date</th><th>Collector(s)</th><th>Time</th><th>pH</th><th>TDS > > (ppm)</th><th>Cond. (μS)</th><th>Temp. °C</th><th > align="left">Comments</th></tr> > *<$list filter="[tag[Gaut]tag[G01]!tag[summary]sort[02a-yr]sort[03-qt]]">* > > <tr><td>{{!!02a-yr}}</td><td>{{!!03-qt}}</td><td>{{!!02-yr}}/{{!!04a-mmdd}}</td><td>{{!!06-who}}</td><td>{{!!05-hr}}</td><td> > *{{!!08-ph}}*</td><td>{{!!09-ftds}}</td><td>{{!!10-con}}</td><td>{{!!11-tem}}</td><td > > align="left">{{!!07-note}}</td></tr> > </$list> > would like to then add a row where averages of each column could be > displayed (e.g., from each {{!!08-pH}} value from *n* tiddlers tagged G01) > @@ > </table> > > What I want to find out here is ... during the $list call that populates > my table, is there a way (using Tiddly or javascript macro) to set up a > variable that will store information of a particular field and do something > with it. > > Specifically, for a table that contains pH values, etc. for a host of > sample sites, is there a way as the list is sorted, to grab each pH value > and when the list is over, take those values and create an average value > that I can display at the bottom of the table? > > I'm slowly learning JavaScript but have done lots of Python programming > ... I just don't know if it's possible to do this, and if so, how do I > grab/store individual values from the $list? to manipulate them after > </$list> > > Thanks for reading. > Nate McElroy > -- > You received this message because you are subscribed to the Google Groups > "TiddlyWiki" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected] <javascript:>. > To post to this group, send email to [email protected] > <javascript:>. > Visit this group at http://groups.google.com/group/tiddlywiki. > For more options, visit https://groups.google.com/d/optout. > > >
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