\item{use.log}{gets added to the "use.log" slot of the well object. this will determine whether the log-transformed data
or raw normalized data is returned using the function \code{data.from}.}
\item{blank.value}{user can enter a blank OD measurement for uninoculated wells. if NULL, defaults to the value of the first OD measurement of each well.}
\item{start.index}{which timepoint should be used as the first one after inoculation (defaults to the 2th one)}
\item{negative.OD.cutoff}{if any ODs below the specified blank value are detected before this index timepoint, the entire well is discarded.}