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On Monday 11 February 2002 16:21, Chris Ingram wrote:
> My question is: How does everyone else generate reports and pie charts
> containing such average monthly expenses dollar amounts? Is this
> currently possible?
It is not possible currently. If I want to have averages, I open one expense
piechart for the whole period, take my HP-48 (calculator) and calculate the
result "by hand".
>However, there don't appear to be options to
> select the start date for the P&L report as "Start of previous month
> minus X" where X is could be 12 or 3 (or any other number of months I
> choose).
No, there is no such option at the moment. If you want to add these to the
dropdown multi-choice list by yourself, you can do so relatively easily
(provided you are willing to take the Scheme challenge). Changes in two files
are required: In date-utilities.scm, you need to add a function to calculate
the right relative date (just follow e.g. gnc:get-start-prev-month).
Additionally, this relative date option has to be added to the big lists in
the function gnc:reldate-initialize, just the other examples. One more file
change and you're done: In the file options-utilities.scm, add the new date
option to the lists in the functions gnc:options-add-report-date! and
gnc:options-add-date-interval! . That's it, no more changes in any report
code is required.
> Should I look into modifying the existing P&L report and Expense
> Piechart to have a "show average monthly dollars instead of total
> dollars" checkbox? Where would I start looking to do such a thing?
Just a rough hint: Dividing the amounts in the expense piecharts by some
value (e.g. the number of months) would need to take place in file
account-piecharts.scm line 249-250. The function collector->double returns a
double value which can be divided by the number of months. To create an
option choice box for this, follow the example for e.g. the show-total option
in that file. To get the number of months you can use the function
gnc:timepair-get-month and gnc:timepair-get-year from date-utilities.scm.
If you have further questions, don't hesitate to ask and we'll try to assist
you in your requests as quickly as possible. Thanks for your ideas.
Christian
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