The `UScereal`

data frame has 65 rows and 11 columns.
The data come from the 1993 ASA Statistical Graphics Exposition,
and are taken from the mandatory F&DA food label. The data have been
normalized here to a portion of one American cup.

`UScereal`

This data frame contains the following columns:

`mfr`

Manufacturer, represented by its first initial: G=General Mills, K=Kelloggs, N=Nabisco, P=Post, Q=Quaker Oats, R=Ralston Purina.

`calories`

number of calories in one portion.

`protein`

grams of protein in one portion.

`fat`

grams of fat in one portion.

`sodium`

milligrams of sodium in one portion.

`fibre`

grams of dietary fibre in one portion.

`carbo`

grams of complex carbohydrates in one portion.

`sugars`

grams of sugars in one portion.

`shelf`

display shelf (1, 2, or 3, counting from the floor).

`potassium`

grams of potassium.

`vitamins`

vitamins and minerals (none, enriched, or 100%).

Venables, W. N. and Ripley, B. D. (2002)
*Modern Applied Statistics with S-PLUS.* Fourth Edition. Springer.