CountChemicalElements: CountChemicalElements.
Description
CountChemicalElements
will split a character (chemical formula)
into its elements and count their occurrence.
Usage
CountChemicalElements(x = NULL, ele = NULL)
Value
A named numeric with counts for all contained or specified elements.
Arguments
- x
Chemical formula.
- ele
Character vector of elements to count particularly or counting all contained if NULL.
Details
No testing for any chemical alphabet is performed. Elements may occur
several times and will be summed up in this case without a warning.