[R] Loop to check for large dataset

[Christoph Puschmann]

Dear Petr,

I attached a sample file, which contains the first 4 products.

It is more that I have: 157 weeks, 19 different Stores and 22 products: 157*19*22 = 65,626 rows. And as I sated I have roughly 63,127 rows. (so some have to be missing).

All the best,

Christoph