[Qgis-user] Joining data to a shape file by country name when the names don't match exactly

Nicolas Cadieux nicolas.cadieux at archeotec.ca
Sun Nov 6 07:21:54 PST 2016


Hi,
Stick to Excel for now.  Keep in mind that Python can be used in the Python console.  Building a for al plugin may not be necessary.  Have you tried the vlookup function?  It has a "close match algorithm " by default.  That may help.
Nicolas

> Le 5 nov. 2016 à 22:30, Joe Lertola [via OSGeo.org] <ml-node+s1560n5294475h86 at n6.nabble.com> a écrit :
> 
> I used to program in my youth so I am familiar with programming concepts. But I would have to learn python and how to create plugins for Qgis from scratch. So that is not a project that will happen very fast if I do it. If it turns out that I have to create a lot of maps like this I might start looking into it. For now I will stick to Excel.
> -Joe
> 
> 
> 
> Thanks,
> -Joe
> 
> 
>> On Nov 5, 2016, at 9:57 AM, Nicolas Cadieux <[hidden email]> wrote:
>> 
>> Very interesting Nyall 
>> 
>> That makes me remember that the vlookup in excel also has a "bests match" by default.  I always turn it off because it uses the first found possible match.  I wonder if it uses the same type of "Fuzzy" logic...?  
>> 
>> Nicolas
>> 
>>> Le 4 nov. 2016 à 23:22, Nyall Dawson [via OSGeo.org] <<a href="x-msg://34/user/SendEmail.jtp?type=node&node=5294431&i=0" target="_top" rel="nofollow" link="external" class="">[hidden email]> a écrit :
>>> 
>>> 
>>> On 5 Nov 2016 12:13 PM, "Joe Lertola" <<a href="x-msg://34/user/SendEmail.jtp?type=node&node=5294406&i=0" target="_top" rel="nofollow" link="external" class="">[hidden email]> wrote:
>>> >
>>> > Hello.
>>> >
>>> > Today I made a thematic map by joining a list of data that had country names to a shape file of world countries. I had to spend a lot of time working in Excel to make my data names match the names in the shape file. A lot of them already matched but there were many that didn’t. For example the the shape file had Ivory Coast and the data had Cte d’Ivoire as the name. Is there any way to do this in Qgis instead of Excel? Years ago I recall doing this in ArcMap. There was a tool that matched up the data where it could and then for each record that wasn’t matched you could choose the matching record manually. Any help would be greatly appreciated.
>>> 
>>> How good are your python skills? Sounds like a perfect candidate for a new processing algorithm. QgsStringUtils has methods for performing "fuzzy" matching of strings, so a lot of the hard work is already done.
>>> 
>>> Nyall
>>> 
>>> >
>>> > Thanks,
>>> > -Joe
>>> >
>>> >
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