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support for NA #78

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elfunesto opened this issue Jan 7, 2020 · 2 comments
Open

support for NA #78

elfunesto opened this issue Jan 7, 2020 · 2 comments

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@elfunesto
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Thank you very much for this great package. Currently, I have not seen any way to deal with NA and get a "Can not parse NA_real_". It would be great to have a way to deal with this.
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@Marlin-Na
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One way to do it is to convert R's NA to SymEngine's NaN (i.e. S(NaN)). However I think NA and NaN in R have different semantics. NA means missing and does not have a good mapping in SymEngine. I would suggest you convert NA to NaN and then pass it to SymEngine's parser.

@elfunesto
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Thank you for your answer, it fulfils my need!

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@Marlin-Na @elfunesto