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Data Science : Recent Questions and Answers (Page 259)

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

Reduce drug spend using medical claims analytics

I have access to medical claims data from a US health insurance company. I believe there's an opportunity to find some cost savings by switching the site of service from...

Asked on 01/03/2021

1 answer

Why do I get two different values in heatmap and feature_importances?

I'm running a feature selection using sns.heatmap and one using sklearn feature_importances. When using the same data I get two difference values. Here is the heatmap...

Asked on 01/03/2021

0 answer

Machine Learning Recommender high data intensity

We are building a recommender engine to be integrated in an app that, each time an API is called, will pull thousands of records from an Azure SQL database and...

Asked on 01/03/2021 by Allen Wu

0 answer

SVM is margin determined by nearest datapoint or nearest datapoints?

I am studying support vector machines and different resources seem to define the margin differently. Some define the margin as 2 times the distance to the nearest datapoint.Others define...

Asked on 01/03/2021

0 answer

How max_features parameter works in DecisionTreeClassifier?

What is the parameter max_features in DecisionTreeClassifier responsible for? I thought it defines the number of features the tree uses to generate its nodes. But in spite of...

Asked on 01/02/2021 by James Flash

1 answer

Few shot learning in object detection

I am working on a project to detect buildings from satellite imagery in Tanzania using convolutional neural nets. I use a pre-trained model which I further train on a selected...

Asked on 01/02/2021 by Jan Pisl

0 answer

Query relating to Pandas Rows manipulation

I have a query regarding Pandas data manipulation. Let's say I have a dataframe, df with following structure.A B C1 1 75 3 33 3 27 5 25 NaN...

Asked on 01/02/2021 by rwamit

2 answer

How to bin Colour values (categorical- high cardinality) to primary colours?

I have a colour variable with values for different e-commerce products like - olive, teal, blue, green etc. I want to bin these colours to the primary colour values. eg...

Asked on 01/02/2021

1 answer

Extracting best model from autokeras

I am using autokeras for my binary classification and i got these results:clf = ak.StructuredDataClassifier(max_trials=100,overwrite=True)clf.fit(X_train,y_train, epochs= 1000,validation_data=(X_test,y_test)) and i want...

Asked on 01/02/2021 by Pleban

0 answer

How does skewed data affect deep neural networks?

I'm playing around with deep neural networks for a regression problem. The dataset I have is skewed right and for a linear regression model, I would typically perform a log...

Asked on 01/02/2021 by shaye059

1 answer

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