The DOI matches its Crossref record.
Statistical methods for astronomical data with upper limits. II - Correlation and regression
Abstract
Statistical methods for calculating correlations and regressions in bivariate censored data where the dependent variable can have upper or lower limits are presented. Cox's regression and the generalization of Kendall's rank correlation coefficient provide significant levels of correlations, and the EM algorithm, under the assumption of normally distributed errors, and its nonparametric analog using the Kaplan-Meier estimator, give estimates for the slope of a regression line. Monte Carlo simulations demonstrate that survival analysis is reliable in determining correlations between luminosities at different bands. Survival analysis is applied to CO emission in infrared galaxies, X-ray emission in radio galaxies, H-alpha emission in cooling cluster cores, and radio emission in Seyfert galaxies.
Overview
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Integrity signals
Registry
Cites
Statistics
Verification
Claims the paper makes
The claims and statistics of this paper haven’t been checked yet.
Run the check — free, no account needed. It reads the open-access text and checks the sources it cites.
Self-check
Percentages, sums and reported differences re-computed from the paper’s own numbers.
The self-check needs the paper’s full text.
Citations
Cited by
Cappellari, M., Scott, N., Alatalo, K., Blitz, L., Bois, M., Bournaud, F., Bureau, M., Crocker, A. F., Davies, R. L., Davis, T. A., et al. (2013) · Monthly Notices of the Royal Astronomical Society · doi:10.1093/mnras/stt562 · Cited by 734
THE MASS DEPENDENCE BETWEEN PROTOPLANETARY DISKS AND THEIR STELLAR HOSTS
Andrews, S. M., Rosenfeld, K. A., Kraus, A. L., & Wilner, D. J. (2013) · The Astrophysical Journal · doi:10.1088/0004-637x/771/2/129 · Cited by 733
GeV OBSERVATIONS OF STAR-FORMING GALAXIES WITH THE FERMI LARGE AREA TELESCOPE
Ackermann, M., Ajello, M., Allafort, A., Baldini, L., Ballet, J., Bastieri, D., Bechtol, K., Bellazzini, R., Berenji, B., Bloom, E. D., et al. (2012) · The Astrophysical Journal · doi:10.1088/0004-637x/755/2/164 · Cited by 391
On the Relationship between Radio Emission and Black Hole Mass in Galactic Nuclei
Ho, L. C. (2002) · The Astrophysical Journal · doi:10.1086/324399 · Cited by 346
Supersaturation and activity-rotation relation in PMS stars: the young cluster h Persei
Argiroffi, C., Caramazza, M., Micela, G., Sciortino, S., Moraux, E., Bouvier, J., & Flaccomio, E. (2016) · Astronomy & Astrophysics · doi:10.1051/0004-6361/201526539 · Cited by 47
Metadata
- Authors
- Isobe, T., Feigelson, E. D., & Nelson, P. I.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 1986-07
- Volume
- 306
- Pages
- 490
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W2075669073
- Cited by
- 667
- References
- 0
- FWCI
- 4.25
- Type
- journal article
- Language
- en
- Open access
- closed
About these checks
Registry, retraction, Cites and statistics results are computed, not judged, with one exception: a printed reference that no index lists is read once by a model before it counts as a citation error. Claims are extracted by a model and kept only when their quote appears verbatim in the text; each cited source is then checked, with a model’s help, for whether it says what the claim relies on. Those verdicts can be wrong — read the claim’s quote and the cited source before relying on one.
Statistics and arithmetic are recomputed, not judged.
Confidence bands are shown only for fields calibrated on our annotated test set. None is calibrated yet, so no band is shown.
What counts as a claim ›How we measure confidence ›How we check this ›
Are you an author, or do you see a problem with this page? Request a review
How to cite
Cite CoChat for the checks on this page, and the paper for its own findings.
- This page
- CoChat. (2026). Citation check: Statistical methods for astronomical data with upper limits. II - Correlation and regression. https://app.cochat.ai/papers/10.1086/164359
- The paper
- Isobe, T., Feigelson, E. D., & Nelson, P. I. (1986). Statistical methods for astronomical data with upper limits. II - Correlation and regression. The Astrophysical Journal. https://doi.org/10.1086/164359
Data sources
Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.