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machine-learning-algorithms

Machine learning is the practice of teaching a computer to learn. The concept uses pattern recognition, as well as other forms of predictive algorithms, to make judgments on incoming data. This field is closely related to artificial intelligence and computational statistics.

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alqbib
alqbib commented Mar 31, 2019

Vectorized version of gradient descent.

theta = theta * reg_param - alpha * (1 / num_examples) * (delta.T @ self.data).T

We should NOT regularize the parameter theta_zero.

theta[0] = theta[0] - alpha * (1 / num_examples) * (self.data[:, 0].T @ delta).T

the first code line ,theta include theta[0].
so I think can write like this:
theta[0] -= alpha * (1 / num_examples) * (self.data[:, 0].

kenkaigu
kenkaigu commented Aug 5, 2019

My feature request is to include an option on a button made from choice skill, to redirect a link to an external url...

Here's a detailed explanation including screenshots

https://help.botpress.io/t/how-to-redirect-to-an-external-url-while-using-a-button-made-in-choice-skill/1791

This option will be really beneficial using choice skill buttons since at the moment, you can only add an ext

lmeyerov
lmeyerov commented Oct 21, 2019

Is your feature request related to a problem? Please describe.

When setting up large data pipelines, e.g., manually shuffling out-of-memory bits in-and-out, it'd be quite helpful to know how many bytes a Series and DataFrame are, esp. when created from a method such as load_csv.

The current inference work around is a longer version of:

my_sizeof(df):
  sum = 0
  for c in
Ariel505
Ariel505 commented Sep 10, 2019

Hello,
I am building a QGIS plugin and would like to add hdbscan in methods. But when I import with OSGEO4W shell it failed at this line:
File "C:\OSGeo4W\apps\Python37\lib\site-packages\hdbscan-0.8.22-py3.7-win32.egg\hdbscan_init_.py", line 1, in
from .hdbscan_ import HDBSCAN, hdbscan
File "C:\OSGeo4W\apps\Python37\lib\site-packages\hdbscan-0.8.22-py3.7-win32.egg\hdbscan\h

ehoppmann
ehoppmann commented Aug 23, 2019

Our xgboost models use the binary:logistic' objective function, however the m2cgen converted version of the models return raw scores instead of the transformed scores.

This is fine as long as the user knows this is happening! I didn't, so it took a while to figure out what was going on. I'm wondering if perhaps a useful warning could be raised for users to alert them of this issue? A warning

adocherty
adocherty commented Nov 27, 2019

Description

Currently our unit tests are disorganized and each test creates example StellarGraph graphs in different or similar ways with no sharing of this code.

This issue is to improve the unit tests by making functions to create example graphs available to all unit tests by, for example, making them pytest fixtures at the top level of the tests (see https://docs.pytest.org/en/latest/

FlorentF9
FlorentF9 commented May 14, 2019

It would be useful for the community to also provide the UCR/UEA Multivariate Time Series Classification (MultivariateTSCProblems) datasets from www.timeseriesclassification.com, even if most algorithms in tslearn cannot handle multivariate TS (yet).

The main issue with this dataset is that the ARFF format is difficult to load in Python. I personally tried a bunch of libraries (scipy, arff, lia

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