Réponse
Use the 'sMethod' parameter. It offers several methods: 'RMSDF' (weighted root mean square), 'RMVLUE' (minimum variance linear unbiased estimate from ranges), 'RNOWEIGHT' (unweighted estimate from ranges), 'SMVLUE' (minimum variance linear unbiased estimate from standard deviations), and 'SNOWEIGHT' (unweighted estimate from standard deviations), which is the default.
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