Description Usage Arguments Details Value References Examples

INTERNAL: A list of named arguments that can be passed into `turf`

and `turf.combos`

to control the behavior
and output of the TURF algorithm.

1 |

`depth` |
Scalar indicating |

`keep` |
Scalar indicating the number of combinations of each size to keep in the output object generated by |

`mc` |
Logical indicating whether or not Monte Carlo simulated subsets of combinations should be substituted for all possible
combinations of |

`nsims` |
Scalar indicating the number of combination sets of a given size to generate when |

`psims` |
Vector of length |

`sort` |
Character indicating sort order of TURF output: "d" (default) causes combinations to be sorted in descending order of
reach, then frequency; "a" causes combinations to be sorted in ascending order of reach, then frequency; "n" leaves combinations
unsorted (i.e., they remain in the same order as the rows in each element of |

Defaults set by this function may be modified by specifying any of the arguments as name-value pairs in place of the `(...)`

argument when calling `turf`

or `turf.combos`

. It is never necessary to call `turf.args`

directly.

A list consisting of the named arguments.

Adler, T.J., Smith, C. & Dumont, J. 2010. Optimizing product portfolios using discrete choice modeling and TURF. In: S. Hess,
A. Daly (Eds), *Choice modeling: the state-of-the-art and the state-of-practice; proceedings from the Inaugural
International Choice Modeling Conference*. Emerald Publishing Group Ltd., pp. 485-497.

Krieger, A.M. & Green, P.E. 2000. Turf revisited: Enhancements to toal unduplicated reach and frequency analysis. *Marketing
Research*, 12, 30-36.

Markowitz, L. 2005. Going beyond TURF to complement and extend existing product lines. *Ipsos-Insight*, November 2005.

Miaoulis, G., Free, V. & Parsons, H. 1990. TURF: A new planning approach for product line extensions. *Marketing Research*,
March, pp. 28-40.

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##INTERNAL USE ONLY
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