A dataframe with two columns descriptor and all_na. Column descriptor
contains the names of the chemical descriptors. Column all_na contains a
boolean value indicating if all values obtained for the corresponding
descriptor are NA.
Arguments
df
dataframe with two mandatory columns: "NAME" and "SMILES"
descriptors
Vector of chemical descriptor names
Details
This function is used to analyze the chemical descriptor names and to
identify which descriptors produce only NAs in the test datasets. The
function is used to generate the CDNames object.