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NumPy

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NumPy is an open source library for the Python programming language, adding support for large, multidimensional arrays, and matrices, along with a large collection of high-level mathematical functions to operate on these arrays.

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  • Updated Apr 3, 2022
  • Python
datasets
dlwh
dlwh commented Mar 16, 2022

Describe the bug

Streaming Datasets can't be pickled, so any interaction between them and multiprocessing results in a crash.

Steps to reproduce the bug

import transformers
from transformers import Trainer, AutoModelForCausalLM, TrainingArguments
import datasets

ds = datasets.load_dataset('oscar', "unshuffled_deduplicated_en", split='train', streaming=True).with_format("
bug good first issue
pavithraes
pavithraes commented Jun 2, 2022

#9130 adds a sort_results argument to assert_eq, which allows us to assert DataFrame equality without sorting them (by default, assert_eq sorts the input DataFrames before checking equality). It'll be nice to identify+update the tests that would benefit from it.

A first step could be to run the dataframe tests with check_index=False and sort_results=False as defaults.

good first issue dataframe tests
numba
kc611
kc611 commented Jun 2, 2022

Numba ignores any indices that are out of bounds for a given array shape. This behavior is present in both basic and advanced indexing.

import numpy as np
import numba

@numba.njit
def something():
    arr = np.ones((3,3))
    arr[100] = 0
    arr[:, np.array([2,3,5,100])] = 0
    return arr

print(something()) # Does not raise error, ignores the out of bound indices comp
feature_request good first issue

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  • Updated Feb 6, 2020
ta
markdregan
markdregan commented Jan 7, 2022

Wondering if this already exists? If not happy to create if valuable.

I'm looking for a mapping from the column names outputted, to the actual technical indicator it represents.

examples:
momentum_ao == "Momentum, Awesome Oscilator"
momentum_kama == "Momentum, Kaufman’s Adaptive Moving Average (KAMA)"

Can help quickly grasp what the features represent without having to refer back to do

Created by Travis Oliphant

Latest release 19 days ago

Repository
numpy/numpy
Website
numpy.org
Wikipedia
Wikipedia

Related Topics

python scipy