{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2015:6K3X4U2EA2TCRGFDIRPDAN4JAZ","short_pith_number":"pith:6K3X4U2E","schema_version":"1.0","canonical_sha256":"f2b77e534406a62898a3445e30378906664e0b54a401af365adc818ec05fe5b4","source":{"kind":"arxiv","id":"1509.03253","version":1},"attestation_state":"computed","paper":{"title":"Comparison of hazard rate estimation in R","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"stat.CO","authors_text":"Vanja Dukic, Yolanda Hagar","submitted_at":"2015-09-10T18:11:48Z","abstract_excerpt":"We give an overview of eight different software packages and functions available in R for semi- or non-parametric estimation of the hazard rate for right-censored survival data. Of particular interest is the accuracy of the estimation of the hazard rate in the presence of covariates, as well as the user-friendliness of the packages. In addition, we investigate the ability to incorporate covariates under both the proportional and the non-proportional hazards assumptions. We contrast the robustness, variability and precision of the functions through simulations, and then further compare differen"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1509.03253","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"stat.CO","submitted_at":"2015-09-10T18:11:48Z","cross_cats_sorted":[],"title_canon_sha256":"eaefb7860910790ec5f6d4477ef2e63a9588ba8d7eb378360de6b1c6041a0078","abstract_canon_sha256":"49970896600d2a2bcfafbb91751ccc66f844460c685d159ef92b0dae34dfa335"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:33:24.923768Z","signature_b64":"fS+zIuajwSbtG1Jnkf3VuxGX+42W+1EF2qKhE5WWjNCcKZnJm6wMpLpt8xSjhIbJTac0Ub3+rwgAXR+D4d9MDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f2b77e534406a62898a3445e30378906664e0b54a401af365adc818ec05fe5b4","last_reissued_at":"2026-05-18T01:33:24.923232Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:33:24.923232Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Comparison of hazard rate estimation in R","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"stat.CO","authors_text":"Vanja Dukic, Yolanda Hagar","submitted_at":"2015-09-10T18:11:48Z","abstract_excerpt":"We give an overview of eight different software packages and functions available in R for semi- or non-parametric estimation of the hazard rate for right-censored survival data. Of particular interest is the accuracy of the estimation of the hazard rate in the presence of covariates, as well as the user-friendliness of the packages. In addition, we investigate the ability to incorporate covariates under both the proportional and the non-proportional hazards assumptions. We contrast the robustness, variability and precision of the functions through simulations, and then further compare differen"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.03253","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1509.03253","created_at":"2026-05-18T01:33:24.923325+00:00"},{"alias_kind":"arxiv_version","alias_value":"1509.03253v1","created_at":"2026-05-18T01:33:24.923325+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.03253","created_at":"2026-05-18T01:33:24.923325+00:00"},{"alias_kind":"pith_short_12","alias_value":"6K3X4U2EA2TC","created_at":"2026-05-18T12:29:07.941421+00:00"},{"alias_kind":"pith_short_16","alias_value":"6K3X4U2EA2TCRGFD","created_at":"2026-05-18T12:29:07.941421+00:00"},{"alias_kind":"pith_short_8","alias_value":"6K3X4U2E","created_at":"2026-05-18T12:29:07.941421+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/6K3X4U2EA2TCRGFDIRPDAN4JAZ","json":"https://pith.science/pith/6K3X4U2EA2TCRGFDIRPDAN4JAZ.json","graph_json":"https://pith.science/api/pith-number/6K3X4U2EA2TCRGFDIRPDAN4JAZ/graph.json","events_json":"https://pith.science/api/pith-number/6K3X4U2EA2TCRGFDIRPDAN4JAZ/events.json","paper":"https://pith.science/paper/6K3X4U2E"},"agent_actions":{"view_html":"https://pith.science/pith/6K3X4U2EA2TCRGFDIRPDAN4JAZ","download_json":"https://pith.science/pith/6K3X4U2EA2TCRGFDIRPDAN4JAZ.json","view_paper":"https://pith.science/paper/6K3X4U2E","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1509.03253&json=true","fetch_graph":"https://pith.science/api/pith-number/6K3X4U2EA2TCRGFDIRPDAN4JAZ/graph.json","fetch_events":"https://pith.science/api/pith-number/6K3X4U2EA2TCRGFDIRPDAN4JAZ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/6K3X4U2EA2TCRGFDIRPDAN4JAZ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/6K3X4U2EA2TCRGFDIRPDAN4JAZ/action/storage_attestation","attest_author":"https://pith.science/pith/6K3X4U2EA2TCRGFDIRPDAN4JAZ/action/author_attestation","sign_citation":"https://pith.science/pith/6K3X4U2EA2TCRGFDIRPDAN4JAZ/action/citation_signature","submit_replication":"https://pith.science/pith/6K3X4U2EA2TCRGFDIRPDAN4JAZ/action/replication_record"}},"created_at":"2026-05-18T01:33:24.923325+00:00","updated_at":"2026-05-18T01:33:24.923325+00:00"}