[R] smoothing line and a pair of confidence intervals

[Zhu, Yi]

Hello R Users,

I am very new to R and would like to do something quick if possible, please
help!

Suppose I have a data set of y versus x, how can I generate a smoothing line
of y versus x (for example, using loess)
and at the same time, generate a pair of confidence intervals for the
smoothing or mean plus/minus standard deviation?

Best regards,

Yi Zhu


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