mean.se <- function(data,...)
{
m.and.se <-function(x,...) sprintf("%.2f±%.2f",mean(x,...),sciplot::se(x,...))
library(dplyr);library(sciplot)
data %>% group_by_if(is.factor) %>% summarise_if(is.numeric,
list(mean=mean,se=se,mean.se = m.and.se),...)
}
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