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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.

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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.

An Alternative Class of Ratio-Regression-Type Estimator under Two-Phase Sampling Scheme

2022Central Bank of Nigeria Journal of Applied StatisticsJournalOpen access

10.33429/cjas.12221.1/5 Full text6 citations

Authors

3 authors across 4 institutions in 1 country.

Isah MuhammadFirst author
- Hassan Usman Katsina Polytechnic (NG)
- Binyaminu Usman Polytechnic (NG)
Yahaya Zakari
- Ahmadu Bello University (NG)
Ahmed AuduSenior author
- Usmanu Danfodiyo University (NG)

Fields

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

Survey Sampling and Estimation Techniqueslevel 3 · 1.00

Sources

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

openalexseen September 9, 2026
2022 · Central Bank of Nigeria Journal of Applied Statistics · 6 citations
https://openalex.org/W4224987159

An Alternative Class of Ratio-Regression-Type Estimator under Two-Phase Sampling Scheme · Sankore