Naren Krishna

FEAT-#4605: Handle small and empty dataframes

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Signed-off-by: Naren Krishna ## What do these changes do? - [x] commit message follows format outlined [here](https://modin.readthedocs.io/en/latest/development/contributing.html#commit-message-formatting) - [ ] passes `flake8 modin/ asv_bench/benchmarks scripts/doc_checker.py` - [ ] passes `black...

Calling df.loc with multiple arguments results in KeyError

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### System information - **OS Platform and Distribution (e.g., Linux Ubuntu 16.04)**: macOS Version 11.6.4 - **Modin version** (`modin.__version__`): 0.14.0 - **Python version**: Python 3.8.11 - **Code we can use...

Handle Empty/Small Data DataFrames as a separate case

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`df.apply()` is much faster on DataFrame than Series

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**Is your feature request related to a problem? Please describe.** A clear and concise description of what the problem is. What kind of performance improvements would you like to see...