I'm using siunitx, but I don't see how to put an asymmetric error, like this one, in text nor in a tabular environment:

$\left( 1.09^{+0.28}_{-0.23} \right) \times 10^{-3}$

Is there a way with siunitx?

  • Not a direct solution to your question, but a suggestion: Could you report the (now symmetric) standard errors of the log-transformed variables? – Mico Feb 23 '13 at 18:46
  • @Mico well, mine was a general question on a quite common way to print measurements with asymmetric errors. I would like to use that form and not to change the way we write them :) – Luca Feb 24 '13 at 14:51

Currently, the answer is 'no', as siunitx doesn't support this format. The package understands 'standard uncertainties', which are necessarily symmetrical. There is an open issue covering asymmetrical uncertainties/tolerances, but at present I don't really have a good method to handle these. (A sensible interface is pretty hard to come up with, for a start.)

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