# Sample Size Effects when using R{sub 2} to Measure Model Input Importance

## Abstract

Sample sizes affect identification of important inputs for computer models. For illustrative purposes, a partial differential equations model with 84 input variables is used to investigate the behavior of R{sub 2} as an importance indicator for various sample sizes and designs.

- Authors:

- Publication Date:

- Research Org.:
- Los Alamos National Lab., NM (US)

- Sponsoring Org.:
- US Department of Energy (US)

- OSTI Identifier:
- 757270

- Report Number(s):
- LA-UR-99-1357

TRN: AH200029%%27

- DOE Contract Number:
- W-7405-ENG-36

- Resource Type:
- Conference

- Resource Relation:
- Conference: European Safety and Reliability, Garching (DE), 09/1999; Other Information: PBD: 1 Sep 1999

- Country of Publication:
- United States

- Language:
- English

- Subject:
- 99 GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE; PARTIAL DIFFERENTIAL EQUATIONS; RELIABILITY; MATHEMATICAL MODELS; COMPUTER CODES; DATA COVARIANCES

### Citation Formats

```
McKay, M.D., Fitzgerald, M.A., and Beckman, R.J.
```*Sample Size Effects when using R{sub 2} to Measure Model Input Importance*. United States: N. p., 1999.
Web.

```
McKay, M.D., Fitzgerald, M.A., & Beckman, R.J.
```*Sample Size Effects when using R{sub 2} to Measure Model Input Importance*. United States.

```
McKay, M.D., Fitzgerald, M.A., and Beckman, R.J. Wed .
"Sample Size Effects when using R{sub 2} to Measure Model Input Importance". United States. https://www.osti.gov/servlets/purl/757270.
```

```
@article{osti_757270,
```

title = {Sample Size Effects when using R{sub 2} to Measure Model Input Importance},

author = {McKay, M.D. and Fitzgerald, M.A. and Beckman, R.J.},

abstractNote = {Sample sizes affect identification of important inputs for computer models. For illustrative purposes, a partial differential equations model with 84 input variables is used to investigate the behavior of R{sub 2} as an importance indicator for various sample sizes and designs.},

doi = {},

journal = {},

number = ,

volume = ,

place = {United States},

year = {1999},

month = {9}

}

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