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xarray-contrib/flox
Reduce data embedding in cohorts graph

https://github.com/xarray-contrib/flox/blob/b20545b3bd6856529107496b3793134ada57f2c1/flox/core.py#L1949-L1961 Many copies of cohort_index are embedded in the graph. Instead, we should just embed it under ...
  • dcherian
  • Opened 
    yesterday
  • #449

xarray-contrib/flox
conda channel's flox package request gets updated

Hello! Happy to see that flox, an important package, has been updated with version 0.10.4! I m using the conda-forge channel for package management in a virtual environment configured with conda, and I ...
  • Breeze-Hu
  • 1
  • Opened 
    22 days ago
  • #446

xarray-contrib/flox
Extend sparse array support

After #442 we will have some support for reducing sparse.COO arrays by a dense array. - [ ] Support for reducing GCXS arrays - [ ] support for datetimes (would require handling .view) - [ ] some ...
  • dcherian
  • Opened 
    on May 13
  • #443

xarray-contrib/flox
memory error with large expected_groups

Hi, I m testing out flox (with dask) as replacement for scala based zonal stats on global rasters (30m resolution) and getting promising results in performance with cleaner and much smaller code! However ...
  • solomon-negusse
  • 22
  • Opened 
    on Apr 1
  • #428

xarray-contrib/flox
Implement first, last for engine="flox"

This is basically done in quantile_. https://github.com/xarray-contrib/flox/blob/8b4eeac991c508f86469d0c7fc01772da5a421e5/flox/aggregate_flox.py#L53-L57 We just need to pick out the first and last element ...
  • dcherian
  • Opened 
    on Mar 25
  • #427

xarray-contrib/flox
Suggested change to std/var preprocessing to improve precision

Hi, I ve noticed that in a few rare situations, groupby and flox can return quite noisy standard deviations. In situations where the mean of an array is much larger than the standard deviation (such as ...
  • jemmajeffree
  • 14
  • Opened 
    on Feb 17
  • #422

xarray-contrib/flox
Yank v0.9.14 from PyPI and Conda

I m wondering if it would be possible to yank the broken v0.9.14 from the package indexes for PyPI and conda? I currently place this in a project or two and would like to be able to remove it safely: ...
  • Zeitsperre
  • 6
  • Opened 
    on Jan 22
  • #417

xarray-contrib/flox
`flox.xarray.xarray_reduce()` computes lazily but cannot be pulled down

I m attempting to run a similar example shown in the xarray flox demo. Everything appears to compute lazily, but fails when I try to pull the entire array down. Certain subsets can be pulled down, but ...
  • charlie-becker
  • 6
  • Opened 
    on Nov 14, 2024
  • #405

xarray-contrib/flox
_datetime_nanmin() broken (TypeError)

There appears to be either a typo (min instead of np.nanmin) or a missing import in the new _datetime_nanmin function. Specifically, line 363: array = min(array, skipna=True) Always results in: TypeError: ...
  • RondeauG
  • 2
  • Opened 
    on Nov 12, 2024
  • #403

xarray-contrib/flox
Roundoff error between flox and brute force aggregations

Hi guys, love this package. I m migrating some old aggregation code over to flox and noticed that there is some roundoff inconsistency between brute-force aggregations and using flox. Problem: I am using ...
  • riley-brady
  • 12
  • Opened 
    on Sep 18, 2024
  • #398
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