On the Extra practice exercises page > Part II - reading and checking quality of data it mentions that the gapminder1990to2010_energy.tsv file contains 3968 rows and 7 columns. This is not correct with the current file given, it has fewer rows and only 6 columns. The dimensions may be hard-coded. If so, generating them automatically would probably be better.
On the Extra practice exercises page > Part II - reading and checking quality of data it mentions that the
gapminder1990to2010_energy.tsv
file contains 3968 rows and 7 columns. This is not correct with the current file given, it has fewer rows and only 6 columns. The dimensions may be hard-coded. If so, generating them automatically would probably be better.