On Sun, Nov 29, 2009 at 7:27 PM, Ola Hodne Titlestad <[email protected]>wrote:
> Hi Brian, > > Jason Pickering in Zambia has a lot of experience with 1.4 to 2 migration > or co-existence and can probably provide some help here on the list. > > Here is a quick overview of 1.4 and 2 issues. > > There are two scenarios as far as I can see. > > Scenario 1) One-off migration from 1.4 to 2 > > Some things you need to consider (there are probably more...) > * You can use the 1.4 database (data file) import into an empty v. 2 > database > * Consider redesigning some of the most tabular forms to make use of > multidimensional data elements (categories, category combinations) > * Aggregation rules are different from 1.4, so make sure you understand > these. > * You can create report tables that will look exactly like your PivotViews > queries in the 1.4 datamart for simple use of Excel pivot tables, or create > such views directly in the 2 database. Pivot tables will then look exactly > the same for both versions (Excel is Excel). > * You can add more dimensions to your data analysis by using data element > group sets and categories and retrieve these through the use of report > tables. > > Scenario 2) Co-existence of 1.4 and 2, e.g. 1.4 for at district level and > 2 as a central server based national repository for web reports, dashboards, > GIS etc. > > Some things you need to consider (there are probably more...) > * Use database import from 1.4 as a first step > * For continuous monthly data updates use the 1.4 XML import to 2. > * Since 1.4 dictates all meta data definitions multidimensional data > elements is not an option here. For multidimensional data analysis you can > specify date element group sets (dimensions) and groups (dimension options) > and use these in report tables. > > Some common issues for both scenarios: > * Be careful with aggregation of population data if you have data for the > same data element (e.g. Total Population) on two levels. Need to specify > aggregation levels for these data elements. You will have to redo this every > time you overwrite your metadata from 1.4 (should not be necessary to often > though) as 1.4 has a different way of dealing with this. > * Double check aggregation operators for your data elements as aggregation > rules are more strict in 2 than in 1.4. Data elements that should not be > summarised over time when aggregated must have the type average, e.g. > population data, equipment status, beds ++. If you set the type of e.g. > "Total Population" (which has annual values) to SUM then a monthly indicator > value will estimate a monthly value from that annual value, divide by 12. If > set to AVERAGE it will use the annual value without any modification. Such > estimate or break up of annual or quarterly values does not exist in 1.4 so > typically all data elements have type SUM although many of the strictly > speaking should have been set to AVERAGE. So just make sure all AVERAGE data > elements actually have aggregation operator AVERAGE and not SUM. Also check > aggregation operators for your numerators and denominators for your > indicators. These are derived directly from the data elements, but this can > get messed up when doing 1.4 import because of the above mentioned > differences with SUM/AVG. > > Does anyone feel up to summarizing this/writing a section on DHIS 1.4 - 2.0 co-existence in the user documentation? Lars > This page provides some sort of overview of all the docs on DHIS 2, which > is being centralised and better organised at the moment: > http://208.76.222.114/confluence/display/DOC/Home > > Ola Hodne Titlestad |Technical Officer| > Health Metrics Network (HMN) | World Health Organization > Avenue Appia 20 |1211 Geneva 27, Switzerland | Email: [email protected]|Tel: > +41 788216897 > Website: www.healthmetricsnetwork.org > > Better Information. Better Decisions. Better Health. > > > 2009/11/28 Knut Staring <[email protected]> > >> Hi, under import-export there is an option for import from 1. 4 >> >> On Nov 28, 2009 11:42 AM, "Brian Agbirogu" <[email protected]> wrote: >> >> Hi knut , >> >> >> >> Thanks for your help so far. I seem to be doing quite fine with the >> installation. Could you please enlighten me about migration from dhis1.4 to >> 2.0..What document do I need to go through? Thanks >> >> >> >> Brian >> >> >> >> *From:* [email protected] [mailto: >> dhis2-users-bounces+pphmbagb <dhis2-users-bounces%2Bpphmbagb>=aol.com@ >> lists.launchpad.net] *On Behalf Of *Knut Staring >> *Sent:* Monday, November 23, 2009 4:54 PM >> *To:* Lars Helge Øverland >> *Cc:* [email protected] >> >> Subject: Re: [Dhis2-users] pphmbagb wants to join >> >> >> >> Hi Brian, >> >> As Lars recommends, I think DHIS Live could work well for you on Ubuntu. >> It is possible to chec... >> >> >> _______________________________________________ >> Mailing list: >> https://launchpad.net/~dhis2-users<https://launchpad.net/%7Edhis2-users> >> Post to : [email protected] >> Unsubscribe : >> https://launchpad.net/~dhis2-users<https://launchpad.net/%7Edhis2-users> >> More help : https://help.launchpad.net/ListHelp >> >> > > _______________________________________________ > Mailing list: https://launchpad.net/~dhis2-users > Post to : [email protected] > Unsubscribe : https://launchpad.net/~dhis2-users > More help : https://help.launchpad.net/ListHelp > >
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