Checks the data structure to see which of the required columns are missing from the dataframe
Usage
checkdatastr(dat)
Arguments
dat
a dataframe containing several columns, including the x- and y-coordinates
Value
Details
Several functions require a particular set of columns with specific names. The required fields are: ID, x, y, Species, x_original, y_original, Correction, Modified, Reason and Exclude. Required fields that are missing can be added using addmainfields.