vaex
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vaexio
Out-of-Core hybrid Apache Arrow/NumPy DataFrame for Python, ML, visualization and exploration of big tabular data at a billion rows per second 🚀
correctly place the colorbar for matplotlib 3.6.0
I would like to perform a groupby on a DataFrame and then apply an arbitrary function f (more sophisticated than computing basic statistics, may involve multiple rows and columns) to...
@JovanVeljanoski we need to discuss this, how we expose this. Questions * Do we always want to have lazy csv reading? Or if below say 20% of available RAM, load...
**Description** When running `pip install vaex`, the runtime of the colab is needed to restarted (see attachments) **Is your feature request related to a problem? Please describe.** The problem is...
I got an error when exporting to hdf5. I use wsl2 in windows. ``` temp = pd.read_parquet(file_path) vaex_df = vaex.from_pandas(temp,copy_index=False) vaex_df.export_hdf5('test.hdf5') ``` > --------------------------------------------------------------------------- ValueError Traceback (most recent call last)...
I was getting confused as to how my pyarrow timestamps were getting converted, and I think seeing this here would have pointed me in the right direction sooner.
I've failed to run an outer merge (join) with pandas. Vaex was my hope but right now only left and right joins are supported. As requested by the documentation, I...
**Description** Say we have a string to match in a database, We can accomplish that by a simple select and evaluate in VAEX: ```python df_vaex.select(df_vaex["name"].str.startswith(search_string)) ``` However, this searches for...
To work around the problem with [opening too many files](https://github.com/vaexio/vaex/issues/577) I am splitting my files into 100 chunks, unifying each chunk and unifying the unified chunks into a single file...
Small fix in add_virtual_columns_eq2gal calling the eq2ecl function instead of the eq2gal function. This is an old bug (see #989 https://github.com/vaexio/vaex/issues/989) with a very simple fix.
