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DOC: Update "enhancing perf" doc based on #10953 #11092

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Sep 14, 2015
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DOC: Update "enhancing perf" doc based on #10953 #11092

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5 changes: 4 additions & 1 deletion doc/source/enhancingperf.rst
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Expand Up @@ -449,12 +449,15 @@ These operations are supported by :func:`pandas.eval`:
- Attribute access, e.g., ``df.a``
- Subscript expressions, e.g., ``df[0]``
- Simple variable evaluation, e.g., ``pd.eval('df')`` (this is not very useful)
- Math functions, `sin`, `cos`, `exp`, `log`, `expm1`, `log1p`,
`sqrt`, `sinh`, `cosh`, `tanh`, `arcsin`, `arccos`, `arctan`, `arccosh`,
`arcsinh`, `arctanh`, `abs` and `arctan2`.

This Python syntax is **not** allowed:

* Expressions

- Function calls
- Function calls other than math functions.
- ``is``/``is not`` operations
- ``if`` expressions
- ``lambda`` expressions
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