Description Usage Arguments Details Value Examples
List unique gene symbols, which some can be comma-separated.
Vector(s) or list(s) of character strings.
Multiple genes can overlap at a given position on the genome. Therefore, it is hard to associate directly a single-base TSS to a single gene symbol. In our workflows we prepare gene expression tables where TSS counts are pooled per gene symbol. If a position belongs to more than one gene, an artificial ad-hoc symbol is created by concatenating the symbols with commas. For instance, ‘7SK,ACTR5’. As a result, one can not infer the number of detected genes by simply counting the number of rows where expression is igher that zero.
Takes a serie of strings containing either one gene symbol or comma-separated gene symbols, character vector of unique gene symbols.
Returns a vector of unique character strings, or
the input contained no strong, the empty string alone, or the special
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listSymbols("7SK,ACTR5", "7SK,ADAM10") length(listSymbols("7SK,ACTR5", "7SK,ADAM10")) listSymbols("") length(listSymbols(""))
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