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Data Science : Recent Questions and Answers (Page 43)

Find answers to your questions about Data Science or help others by answering their Data Science questions.

is it wrong to use average='weighted' when having only 2 classes?

In the book 'Text Analytics with Python', the author provides model_evaluation_utils.py In the code of the .py he does:metrics.precision_score(true_labels, predicted_labels,average='weighted')I have two questions regarding it: 1- per the documentation...

Asked on 08/28/2021

1 answer

Which algorithm to use for transactional data

I'm given a Dataset of transactions and asked to find insights for businesses. I'm extremely new to ML / Data science and have only been experiencing with KMeans. The dataset...

Asked on 08/28/2021 by Liam Louw

3 answer

How to handle sparsely coded features in a dataframe

I have a dataset that contains information regarding diabetes patients, like so: id diabetes diet insulin lifestyle...

Asked on 08/28/2021

1 answer

Measure correlation for categorical vs continous variable

Given a variable which is categorical that depends on continuous variables, I would like to know how to check wether these continous variable explain the categorical one. So:Y =...

Asked on 08/28/2021

2 answer

How interpret keras training loss without compare with validation loss?

I have several implementation of the same neural network, but each one with different starting parameter. This is one of...

Asked on 08/28/2021

2 answer

Mathematics: Can the result of a derivative for the Gradient Descent consist of only one value?

I have a problem of a task using the formula of the Gradient Descent: Perform two steps of the gradient descent towards...

Asked on 08/28/2021

1 answer

Build text complexity model based on complex examples

I try to build the user specific model which predicts whether arbitrary English text is complex for particular user or not. Having the complex and easy text samples allows to...

Asked on 08/27/2021 by Vitalii Mishchenko

1 answer

Is there any research on zonal OCR / field level ORC / template OCR?

I've recently found the term "Zonal OCR": (source 1, 2, 3, 4). It seems to be essentially OCR,...

Asked on 08/27/2021

0 answer

What is the difference between ICR and OCR?

I've just found the term "Intelligent Character Recognition" (ICR) on Wikipedia and other pages. According to Wikipedia:In computer science, intelligent character...

Asked on 08/27/2021

0 answer

How to restrict the columns to be passed to final classifier in PMML Pipeline

I am working on building XGBoost PMML using SKLearn and SKLearn2PMML.I am having some numerical,somecategorical and datetime columns from which i am creating new feature inside the pipeline. When...

Asked on 08/27/2021 by Akshay Tilekar

1 answer

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