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Showing posts with the label Dask

Load Images Into A Dask Dataframe

I have a dask dataframe which contains image paths in a column (called img_paths). What I want to d… Read more Load Images Into A Dask Dataframe

Randomly Mask/set Nan X% Of Data Points In Huge Xarray.dataarray

I have a huge (~ 2 billion data points) xarray.DataArray. I would like to randomly delete (either m… Read more Randomly Mask/set Nan X% Of Data Points In Huge Xarray.dataarray

Slicing A Dask Dataframe

I have the following code where I like to do a train/test split on a Dask dataframe df = dd.read_c… Read more Slicing A Dask Dataframe

Filtering Grouped Df In Dask

Related to this similar question for Pandas: filtering grouped df in pandas Action To eliminate gro… Read more Filtering Grouped Df In Dask

Collecting Attributes From Dask Dataframe Providers

TL;DR: How can I collect metadata (errors during parsing) from distributed reads into a dask datafr… Read more Collecting Attributes From Dask Dataframe Providers

Dask Rolling Function By Group Syntax

I struggled for a while with the syntax to work for calculating a rolling function by group for a d… Read more Dask Rolling Function By Group Syntax

Can I Create A Multivariate_normal Matrix Using Dask?

Somewhat related to this post, I am trying to replicate multivariate_normal in dask: Using numpy I … Read more Can I Create A Multivariate_normal Matrix Using Dask?

Assign (add) A New Column To A Dask Dataframe Based On Values Of 2 Existing Columns - Involves A Conditional Statement

I would like to add a new column to an existing dask dataframe based on the values of the 2 existin… Read more Assign (add) A New Column To A Dask Dataframe Based On Values Of 2 Existing Columns - Involves A Conditional Statement