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Showing posts with the label Dask

Apply Function Along Time Dimension Of Xarray

I have an image stack stored in an XArray DataArray with dimensions time, x, y on which I'd lik… Read more Apply Function Along Time Dimension Of Xarray

How To Check If Dask Dataframe Is Empty If Lazily Evaluated?

I am aware of this question. But check the code(minimal-working example) below: import dask.datafra… Read more How To Check If Dask Dataframe Is Empty If Lazily Evaluated?

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

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?

Subsetting Dask Dataframes

Is this a valid way of loading subsets of a dask dataframe to memory: while i len_df: j =… Read more Subsetting Dask Dataframes

Using Dask Throws Importerror When Sagemath Code Is Run In Python

This question is very similar to my earlier question and was prompted by one of the comments. Recen… Read more Using Dask Throws Importerror When Sagemath Code Is Run In Python

Repeated Task Execution Using The Distributed Dask Scheduler

I'm using the Dask distributed scheduler, running a scheduler and 5 workers locally. I submit … Read more Repeated Task Execution Using The Distributed Dask Scheduler

Unpacking Result Of Delayed Function

While converting my program using delayed, I stumbled upon a commonly used programming pattern that… Read more Unpacking Result Of Delayed Function

Can A Dask Dataframe With A Unordered Index Cause Silent Errors?

Methods around dask.DataFrame all seem to make sure, that the index column is sorted. However, by u… Read more Can A Dask Dataframe With A Unordered Index Cause Silent Errors?

Having Problemns While Using Dask Map_partitions With String Matching Algorithm

I'm having some probems apllying a text search algorithm with parallelized dask insfrastructure… Read more Having Problemns While Using Dask Map_partitions With String Matching Algorithm

How To Add/append A Row To A Particular Partition In The Dask Dataframe?

I want to append a row to a particular partition in dask dataframes. I have tried out many methods … Read more How To Add/append A Row To A Particular Partition In The Dask Dataframe?

Dask: Jobs On Multiple Nodes With One Worker, Run On One Node Only

I am trying to process some files using a python function and would like to parallelize the task on… Read more Dask: Jobs On Multiple Nodes With One Worker, Run On One Node Only

Python Futures And Tuple Unpacking

What is an elagant/idiomatic way to achieve something like tuple unpacking with futures? I have cod… Read more Python Futures And Tuple Unpacking

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

What Is The Way To Add An Index Column In Dask When Reading From A CSV?

I'm trying to process a fairly large dataset that doesn't fit into memory using Pandas when… Read more What Is The Way To Add An Index Column In Dask When Reading From A CSV?