[R] Display a very low p-value

[Dimitris Rizopoulos]

in this case you need to use the 'lower.tail' argument, e.g.,

pnorm(8:15, lower.tail = FALSE)


I hope it helps.

Best,
Dimitris


Bhoom Suktitipat wrote:
> Hello R-Help,
> 
> I ran some analysis and were hit with some low Z-score. I tried to convert
> it to a p-value, however, it seems like the ceiling is around 1e-16.
> 
>> 1-pnorm(8)
> [1] 6.661338e-16
>> 1-pnorm(9)
> [1] 0
> 
> Do you have any suggestion how I can display a very low p-value in the form
> of scientific number format?
> 
> Thank you very much.
> 
> Regards,
> Bhoom
> 
> 	[[alternative HTML version deleted]]
> 
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-- 
Dimitris Rizopoulos
Assistant Professor
Department of Biostatistics
Erasmus University Medical Center

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