How to let the data transfer into logarithmic formal?

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Wong Yi
Wong Yi le 4 Oct 2016
Réponse apportée : dpb le 4 Oct 2016
How to let the data into log formal? In the data,there are two columns.One is the id, another is the GDP per capital of US. I am confused that how to let the second column's data'USA‘ transfer into logarithmic formal. Could you tell me the code? Thanks

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dpb
dpb le 4 Oct 2016
data(:,3)=log(data(:,2)); % natural log
data(:,3)=log10(data(:,2)); % base 10 log
take your pick...

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