How to create a compatible .csv input file for Maxent

[Clarissa Crist]

Hello!

I have data that I would like to process in Maxent that is currently in an excel file of coordinate points for species distributed on Madagascar. I have a lot of information attached to each coordinate point, like the data it was collected, the institution, who collected, the elevation, and more. I have been trying to input the data into Maxent, but I am getting warnings that there are 0 training samples and each sample is outside the bounding box of environmental data, therefore, it skips the data.

I was wondering if anyone knew how to resolve this issue to make my data compatible with Maxent?

Thank you!

[Jacek Stefaniak]

1) Use .csv format rather than .xls

2) Try use "," NOT ";" as separator :) For numbers, you can use '." as decimal separator.

3) My .csv for MaxEnt usually contain only 3 fields: SPECIES, X, Y - and it works ;)

Hope that helps for starters ;)

J.

[Gebreyohannes Zenebe]

Hello,
1. Must be in .csv format
2. With three fields: Species name, lon(x), lat(y)
3. Remove the header i.e. Species name, lon(x), lat(y)
4. the spatial reference must be in geographic coordinate system.

Good luck!
zenebe

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[Steve Research]

Hi Clarissa,

As the others have said it needs to be reduced to a CSV file.

The easiest way to do it is add another tab in Excel (rename it a s 'Stripped' or something like that).

Copy and paste your whole data set into 'Stripped'.

Then set about removing the columns etc that have the unwanted data as mentioned in the other replies.

When you just have the 'species', 'long', 'lat' data left, do a 'save as' and select CSV.

If you make sure you are just stripping the new tab it ensures that your original rich data is preserved. A 'save as CSV' only saves the open sheet as it is a flat file.

Cheers

Steve

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[Clarissa Crist]

Thank you for the help!

[Clarissa Crist]

Thank you!

[Clarissa Crist]

Thanks!

[Diego Guarin]

I have the same problem  I have tried the options that you mentioned but still does not work. If I can send you the file and maybe see what is the problem I really appreciate your help.

Thanks.

Kind regards

Diego

[Rebekah Persad]

How you figured it out? I'm still having trouble.

Best,

Rebekah

[Shuhan Song]

Hi,

I think you need to create a new .csv file with columns: Species, longitude, latitude only. You also need to follow the order as above. Hope it helps. 

Best,

Shuhan

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