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Opening arrow files using vaex slower and using more memory than expected
I have multiple .arrow files, each about 1GB (total filesize is larger than my RAM). I tried to open all of them using vaex.open_many() to read them into a single dataframe, and saw that the memory us...
Rayne
Votes: 0
Answers: 0
Vaex - NameError: Column or variable 'example_string' does not exist
I've recently started to use vaex for its great potentialities on large set of data.
I'm trying to apply the following function:
def get_columns(v: str, table_columns: List, pref: str = '', suff: str ...
Marco Abbatangelo
Votes: 0
Answers: 1
Vaex datetime error unknown variables or column
I got a vaex.dataframe.DataFrame called df holding a time column called timestamp of type string. I convert the column to datetime as follows
import numpy as np
from pandas.api.types import is_datetim...
PeeteKeesel
Votes: 0
Answers: 1
Error using vaex: blake3.__new__() got an unexpected keyword argument 'multithreading'
When I use vaex as follows:
for i, df in enumerate(vaex.from_csv('cars.csv', convert=True,chunk_size=100_000)):
print(df.info())
I get an error:
blake3.__new__() got an unexpected keyword...
Stock
Votes: 0
Answers: 1