Get the by-sample (or by-row) function of the specified channels.

chs_fun(x, .funs, ..., .pars = list())



An eeg_lst.


A function fun, a quosure style lambda ~ fun(.) or a list of either form.


A group of channels, it can be used in combination with across.


List that contains the additional arguments for the function calls in .funs.


A new channel or an eeg_lst object with a channel where a function was instead of the previous channels.

See also

Other channel functions: chs_mean()