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            {
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            {
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            {
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            {
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            "retained_rows": 546,
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            "Be aware that there are some small groups in your dataset.\n  Check groups: 8,9,11.",
            "No (treated or control) units for group 11 in time period 1; setting ATT to NA.",
            "No (treated or control) units for group 11 in time period 2; setting ATT to NA.",
            "No (treated or control) units for group 11 in time period 3; setting ATT to NA.",
            "No (treated or control) units for group 11 in time period 4; setting ATT to NA.",
            "No (treated or control) units for group 11 in time period 5; setting ATT to NA.",
            "No (treated or control) units for group 11 in time period 6; setting ATT to NA.",
            "No (treated or control) units for group 11 in time period 7; setting ATT to NA.",
            "No (treated or control) units for group 8 in time period 1; setting ATT to NA.",
            "No (treated or control) units for group 8 in time period 2; setting ATT to NA.",
            "No (treated or control) units for group 8 in time period 3; setting ATT to NA.",
            "No (treated or control) units for group 8 in time period 4; setting ATT to NA.",
            "No (treated or control) units for group 8 in time period 5; setting ATT to NA.",
            "No (treated or control) units for group 9 in time period 1; setting ATT to NA.",
            "No (treated or control) units for group 9 in time period 2; setting ATT to NA.",
            "No (treated or control) units for group 9 in time period 3; setting ATT to NA.",
            "No (treated or control) units for group 9 in time period 4; setting ATT to NA.",
            "No (treated or control) units for group 9 in time period 5; setting ATT to NA.",
            "No (treated or control) units for group 9 in time period 6; setting ATT to NA.",
            "No (treated or control) units for group 9 in time period 7; setting ATT to NA."
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        {
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            "value": null,
            "status": "not_applicable",
            "fit_scope": "Separate adoption-cohort fits",
            "within_cohort_target": "Mean treated outcome history",
            "cross_cohort_partial_pooling": false,
            "shared_structure": null,
            "note": "Regularization penalties are not partial-pooling parameters."
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            {
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            {
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            {
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            {
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