Countries
Institutions
Fields
Rankings
Compare

Search institutions, scholars, countries and publications

Sankore

Named after the University of Sankore in Timbuktu — one of the world’s oldest centres of learning. Every figure here is computed from work-level records in our own graph, never copied from a source’s summary count.

Built from

OpenAlex — works, authorships, subject classification
ROR — institutional identity
ORCID — researcher identity
Crossref — publisher confirmation

Browse

Countries
Institutions
Fields
Rankings
What we cover

Coverage is partial and says so. A country appears with its research output only once its works have been swept; until then the portal shows whatever the graph happens to hold for it and labels it as exactly that.

Modified Ratio Estimators for Population Means with Two Auxiliary Parameters Using Calibration Weights

2022Asian Journal of Probability and StatisticsJournalOpen access

10.9734/ajpas/2022/v20i4447 Full text2 citations

Authors

3 authors.

Adubi S. AyodejiFirst author
- University of Nigeria (NG)
Oluwagbenga T. Babatunde
- University of Nigeria (NG)
Ude O. IfeomaSenior author
- University of Nigeria (NG)

Fields

Assignment is probabilistic — a work belongs to several fields in proportions.

Survey Sampling and Estimation Techniqueslevel 3 · 1.00
Advanced Statistical Methods and Modelslevel 3 · 0.95

Sources

Several sources describing one work is the point — it means the record rests on more than one authority.

openalexseen September 9, 2026
2022 · Asian Journal of Probability and Statistics · 2 citations
https://openalex.org/W4312184722

Modified Ratio Estimators for Population Means with Two Auxiliary Parameters Using Calibration Weights · Sankore