{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:NJFZYG56DQWZ3JA4LKUMLXUSOB","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"7ab5b5252db4530f9a08ff9d330580b2dfe2ae87b52ae3b9475cc6717688bdac","cross_cats_sorted":["cs.LG","math.ST","stat.ML","stat.TH"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2017-08-14T21:48:46Z","title_canon_sha256":"c68960e1c5c56591bc95594bdd6d3141a3f62c8a1a77e6db5209ce38b94fa7ac"},"schema_version":"1.0","source":{"id":"1708.04887","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.04887","created_at":"2026-05-18T00:37:55Z"},{"alias_kind":"arxiv_version","alias_value":"1708.04887v1","created_at":"2026-05-18T00:37:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.04887","created_at":"2026-05-18T00:37:55Z"},{"alias_kind":"pith_short_12","alias_value":"NJFZYG56DQWZ","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_16","alias_value":"NJFZYG56DQWZ3JA4","created_at":"2026-05-18T12:31:31Z"},{"alias_kind":"pith_short_8","alias_value":"NJFZYG56","created_at":"2026-05-18T12:31:31Z"}],"graph_snapshots":[{"event_id":"sha256:8773cc440fbf07ae7e34a246fc78f985f1c29452175d416f953f9a655c992339","target":"graph","created_at":"2026-05-18T00:37:55Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"Many scientific and engineering challenges -- ranging from pharmacokinetic drug dosage allocation and personalized medicine to marketing mix (4Ps) recommendations -- require an understanding of the unobserved heterogeneity in order to develop the best decision making-processes. In this paper, we develop a hypothesis test and the corresponding p-value for testing for the significance of the homogeneous structure in linear mixed models. A robust matching moment construction is used for creating a test that adapts to the size of the model sparsity. When unobserved heterogeneity at a cluster level","authors_text":"Gerda Claeskens, Jelena Bradic, Thomas Gueuning","cross_cats":["cs.LG","math.ST","stat.ML","stat.TH"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2017-08-14T21:48:46Z","title":"Fixed effects testing in high-dimensional linear mixed models"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.04887","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:21d7b48717b03c728e63b89539042c597128cbcde0c53d9fc0f1adc5aff6b91d","target":"record","created_at":"2026-05-18T00:37:55Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"7ab5b5252db4530f9a08ff9d330580b2dfe2ae87b52ae3b9475cc6717688bdac","cross_cats_sorted":["cs.LG","math.ST","stat.ML","stat.TH"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.ME","submitted_at":"2017-08-14T21:48:46Z","title_canon_sha256":"c68960e1c5c56591bc95594bdd6d3141a3f62c8a1a77e6db5209ce38b94fa7ac"},"schema_version":"1.0","source":{"id":"1708.04887","kind":"arxiv","version":1}},"canonical_sha256":"6a4b9c1bbe1c2d9da41c5aa8c5de9270679ab9155d6c345906a5f6d4a321e876","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6a4b9c1bbe1c2d9da41c5aa8c5de9270679ab9155d6c345906a5f6d4a321e876","first_computed_at":"2026-05-18T00:37:55.248271Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:37:55.248271Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"SIQ53K/MJJ8EycbgPi5wfhR9jkxe2EJu4HlVZhCZJO4XO0VFrrEhMI82Of9v4K/hoHWDYmw3E4fhi32kyi23Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T00:37:55.248790Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.04887","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:21d7b48717b03c728e63b89539042c597128cbcde0c53d9fc0f1adc5aff6b91d","sha256:8773cc440fbf07ae7e34a246fc78f985f1c29452175d416f953f9a655c992339"],"state_sha256":"3c798c9d269686f08b9f285bd2b06ee83d5f9d62cb299aecd984dda070645b8e"}