Exactly: Many children sick = BAD, Many children vaccinated = GOOD
On Thu, Feb 20, 2014 at 5:50 PM, Marta Vila <[email protected]> wrote: > Yes Nicola, you are right... it is a good combination for that case... > also for high coverage of vaccination... for instance. > > I was thinking more in ... high number of cases of ..., high rate of > incidence of..., that generally are not very positive > > > > > > > On 20 February 2014 17:19, Nicola Hobby <[email protected]> wrote: > >> Marta, my only thought is that in terms of performance indicators, higher >> data points would indicate better performance, while lower points indicate >> poor performance.... >> >> >> On Thu, Feb 20, 2014 at 11:16 AM, Marta Vila <[email protected]> wrote: >> >>> I agree with Bob and since the topic is on the table... I´ve been >>> wondering for a long time now... >>> >>> Why the default legend is painting in green the high values and red the >>> low ones? >>> I believe that it may apply in some cases, but generally... it ends up >>> in showing areas high incidence of cases in green.. and low ones in red... >>> which is not very intuitive for me... >>> >>> Although...it could be solved if we don´t mix primary colors any more >>> >>> >>> On 20 February 2014 16:54, Bram Piot <[email protected]> wrote: >>> >>>> Hi Bob, >>>> >>>> I don't think there's one single rule that will fit all when it comes >>>> to choosing your symbols or colours for a thematic map depicting numeric >>>> values. There's nothing wrong with say a red/yellow/green colour scheme if >>>> you are showing for example reporting rates, where low (red) = bad and high >>>> (green) = good. If I were to map out HIV prevalence, then I may go from >>>> green (low values) to red (high prevalence). More "neutral" variables such >>>> as population density are usually better off with a graduated scheme from >>>> light to dark, e.g. pale to dark brown. >>>> >>>> Maybe the only basic rules are that there should be some logic in the >>>> choice of colour ramps, and to keep it simple (don't overload your map, >>>> don't use 15 different classes each with a different colour when you only >>>> have 20 districts!). I must agree that the current colour scheme for ANC1 >>>> and ANC2 coverage by chiefdom in the demo site can definitely be improved: >>>> too many colours that are not in a logical order. Your diarrhea map looks >>>> better, though it would be even better if you changed the classification >>>> type to "equal counts" rather than "equal intervals". >>>> >>>> Agree with what has been requested recently by Knut: option to display >>>> polygon data (e.g district) by symbol, not just colour, and include more >>>> symbols because currently it's rather limited. Especially for categorical >>>> values the legend behaviour could be greatly improved. Bar/Pie charts as >>>> symbols on the map would be cool but not a priority as there are more >>>> suitable tools for that. >>>> >>>> bram >>>> >>>> >>>> On 20 February 2014 17:27, Bob Jolliffe <[email protected]> wrote: >>>> >>>>> Hi >>>>> >>>>> I am no expert here, but I was talking last week with someone who had >>>>> just been on a GIS course. She made the interesting observation that when >>>>> you are displaying numerical data as shaded regions on a map, you should >>>>> not mix primary colours in the same gradated scale because what you end up >>>>> with is sort of rubic cube kaleidoscope of colour rather than a clear >>>>> gradation of values. >>>>> >>>>> If that is good advice then I think our demo site could be improved as >>>>> presently it seems like a good example of bad practice, where we have >>>>> mixed >>>>> red, green and blue with joyful and cheerful abandon :-) >>>>> >>>>> I had a go to change the Diarrhoea map on the dashboard at >>>>> http://apps.dhis2.org/dev/dhis-web-dashboard-integration/index.action and >>>>> I think it is true that it conveys the data better than the extreme >>>>> multi-coloured ones around it. Even if the distribution of data between >>>>> bands is not so interesting. Anyone agree or disagree? (the data will >>>>> only >>>>> be there for a short while longer) >>>>> >>>>> If there is a best practice to be had here regarding colour selection >>>>> I guess we should promote it, particularly with default offerings so that >>>>> people have to be quite deliberate in order to go astray. >>>>> >>>>> Bob >>>>> >>>>> _______________________________________________ >>>>> Mailing list: https://launchpad.net/~dhis2-users >>>>> Post to : [email protected] >>>>> Unsubscribe : https://launchpad.net/~dhis2-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 >>>> >>>> >>> >>> _______________________________________________ >>> Mailing list: https://launchpad.net/~dhis2-users >>> Post to : [email protected] >>> Unsubscribe : https://launchpad.net/~dhis2-users >>> More help : https://help.launchpad.net/ListHelp >>> >>> >> >> >> -- >> Nicola Hobby >> MIS Program Manager >> >> Office: +1 (202) 469-6685 >> Skype: nicolahobby >> >> *Connect with PSI* >> Website <http://www.psi.org/> | Blog <http://blog.psiimpact.com/> | >> Twitter <https://twitter.com/PSIimpact> | >> Facebook<https://www.facebook.com/PSIHealthyLives> | >> YouTube <http://www.youtube.com/user/healthybehaviors> >> >> <http://www.psi.org/> <http://blog.psiimpact.com/> >> <https://twitter.com/PSIimpact> >> <https://www.facebook.com/PSIHealthyLives> >> <http://www.youtube.com/user/healthybehaviors> >> >> >> Donate to PSI >> www.psi.org. 94.5 cents of every dollar raised directly supports PSI >> programs. >> > > > _______________________________________________ > Mailing list: https://launchpad.net/~dhis2-users > Post to : [email protected] > Unsubscribe : https://launchpad.net/~dhis2-users > More help : https://help.launchpad.net/ListHelp > > -- Knut Staring Dept. of Informatics, University of Oslo +4791880522 http://dhis2.org
_______________________________________________ Mailing list: https://launchpad.net/~dhis2-users Post to : [email protected] Unsubscribe : https://launchpad.net/~dhis2-users More help : https://help.launchpad.net/ListHelp
