Wes McKinney questions

Wes McKinney answers

• read a parquet files from HDFS using PyArrow
• Pandas: Sort pivot table
• Averaging data from multiple data files in Python with pandas
• How to apply slicing on pandas Series of strings
• Streaming parquet file python and only downsampling
• No module named 'pyarrow._orc'
• mystery when storing a dataframe containing strings in HDF with pandas
• What are the differences between feather and parquet?
• Importing pandas shows ImportError: cannot import name hashtable
• Why were pandas merges in python faster than data.table merges in R in 2012?