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| UScereal   | R Documentation   |
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Nutritional and Marketing Information on US Cereals
---------------------------------------------------

Description
~~~~~~~~~~~

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.

Usage
~~~~~

::

    UScereal

Format
~~~~~~

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%).

Source
~~~~~~

The original data are available at
`http://lib.stat.cmu.edu/datasets/1993.expo/ <http://lib.stat.cmu.edu/datasets/1993.expo/>`_.

References
~~~~~~~~~~

Venables, W. N. and Ripley, B. D. (1999) *Modern Applied Statistics with
S-PLUS.* Third Edition. Springer.
