Assuming your data is formatted as a dataframe, I'd do something like this using the ggplot2 package:
ggplot(data=data, aes(x=Nad_Frequency,y=Nad_Totals)) +
geom_bar(stat="identity",position=position_dodge())
Which will produce side by side barplots based on the different values in Nad_Totals.
Hope this helps!