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I am trying to sort a very large set of data by latitude and longitude to find out which locations are closest together but I have not found an effective way for me to do this.
I am trying to sort a very large set of data by latitude and longitude to find out which locations are closest together but I have not found an effective way for me to do this.
You appear to be storing the lat/long as text rather than numbers.
There are various ways to convert them to numbers, here's one:
- Copy a blank cell.
- Select all the latitude and longitude values.
- Goto Paste>Paste Special... and select Add from the Operation section
If posting code please use code tags, see here.
Right, but whenever I change this, is there a formula that I can use to be able to calculate the distance from a starting point in order to sort all of these?
As the Location ID's would represent points then I would think we could utilize the Pythagorean theorem to find the relative distance between them.
In the attached file I put the following in cell D2 and copied down: =SQRT(SUM((B3-B$2)^2,(C3-C$2) ^2))
Next I selected A2:D6751 and sorted column D from least to greatest (leaving Location 410020 as the starting point)
Let us know if you have any questions.
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