表 2. 実験環境。.
| ソフトウェア | バージョン |
|---|---|
| R | 4.2.1 (x86_64-apple-darwin17.0) |
| stats | 4.2.1 (attached base packages) |
| MASS | 7.3-58.1 |
| lme4 | 1.1-31 |
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