Find the number of papers cited

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Description

The set of papers that cite the input Entrez Gene identifiers are found, and for each of these the number of genes cited in that paper is computed and returned.

Usage

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Arguments

x

A vector of Entrez Gene identifiers.

Details

This function first finds the set of unique PMIDs associated with the input set of Entrez Gene IDS. Then for each PMID it finds the number of Entrez Gene identifiers associated with that paper. The function uses different sets of variable mappings from the org.Hs.eg.db package.

If x is missing then all Entrez gene identifiers in the org.Hs.egPMID are used.

Value

counts

For each paper the number of Entrez Gene identifiers referred to.

papers

A list of the same length as x, each element contains the papers that refer to the corresponding Entrez Gene identifier.

Author(s)

R. Gentleman

See Also

twTStats

Examples

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  ans = paperLen(c("10", "1001"))
  ans$counts
  ans$papers