[OSGeo-Discuss] Population statistics in GIS Softwares

[Till Adams]

Dear Parv,

I am quite sure, that QGIS is the most suitable software for your kind
of work. Presumably there is no function in ArcGIS, that has no
equivalent in QGIS - if you check out the "Vector" menu you get the
"Geoprocessing Tools" with buffer and many other functions. (May be it's
hidden in an extension, I am not really a QGIS expert) or check out the
other tons of extensions.

I'd sugeest, that the better place for your questions around QGIS is the
QGIS user list, check out the QGIS website for the registration link.

Regards, Till

Am 22.05.2017 um 17:58 schrieb Parv Aggarwal:
>
> Hi QGIS Community,
>
> I’m Parv, an analytics intern at the Latino Community Credit Union
> here in North Carolina. I’m tasked with finding and using GIS software
> to visualize both US Census data and our membership data at micro
> levels to determine best locations for expansions. As per my
> instructions, this means being able to:
>
> -          Visualize Hispanic or Latino population by smaller units
> than zip codes.  We have worked with Census tracts in the past and
> that is ideal, but there are even smaller areas with population data,
> like census blocks.  If we can see in a map where the higher number of
> Latinos live and also see the streets so that we can imagine potential
> locations and draw areas around them, we could identify optimal locations.
>
> -          If we get a proposal for a location, for example a realtor
> contacts us and says “I have a great place for rent at 1309 Cúcuta
> Dr,” we should be able to enter the address in the software and define
> an area around it, draw that area and know how many Latinos live
> there.  The areas could be circles, free shape forms, circles cut by
> major highways or barriers we would think people wouldn’t cross…
>
> -          Of course we should be able to add our own data to the
> software, like those addresses of our current members, and be able to
> look at, say, total balances of members who live in a defined area.
>
>  
>
> As we’re a non-profit, we prefer Open Source Ware over high cost ware
> like ArcGIS. I have installed QGIS and am currently exploring its
> capabilities via the user guide/training manual. I know I first have
> to do a join on census csv population data and tract or block
> shapefiles. Assuming I’m able to do that, I am trying to find relevant
> sections that would show me how to do this micro level aggregation of
> population data. I believe in ArcGIS this is called “create buffers
> around a point” but I am not sure if this is the relevant way to do it
> in QGIS or not. I searched for buffers in the training manual but I
> still can’t tell if it means the same thing or is relevant for my
> purposes. I’m also going through the vector analysis and processing
> sections but end up getting lost on what’s relevant and what’s not. I
> wanted to ask if QGIS was indeed the best suited software for this
> purpose or is there something simpler out there I should check out
> instead.
>
>  
>
> Sincerely
>
> Parv
>
>  
>
>
>
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