The help file says: "One of c("directional", "undirected") for directed (one-sided) or undirected (two-sided) hypothesis tests in data analysis. Hence, this refers to the directionality of the analysis prior" as a description for the argument "alternative". However, it should be one out of "two.sided", "greater", or "less".
The help file says: "One of c("directional", "undirected") for directed (one-sided) or undirected (two-sided) hypothesis tests in data analysis. Hence, this refers to the directionality of the analysis prior" as a description for the argument "alternative". However, it should be one out of "two.sided", "greater", or "less".