Data Science Questions, Problems & Solutions : TransWikia.com ~ Page 91

Inverse Autoregressive Spline Flow Implementation

I have to implement an algorithm for a university project, however I can not seem to wrap my head around it. The algorithm should be an inverse autoregressive normalizing flow...

Asked on 06/30/2021 by Mariusz

0 answer

How to impute using simple imputer (custom function)

I am imputing my data using simple imputer from sklearn. i want to test many different ways of applying transformations to the data. i.e for logisitcic regression i would like...

Asked on 06/30/2021

1 answer

isnull().sum() returning incorrect figure

I am doing a prediction using RandomForestRegressor. Below is the code for test data: X = test_set.drop(['C_Nxt10DMx'], axis=1) # drop labels for training set ...

Asked on 06/30/2021 by data2fx

0 answer

How do I visualize data for a natural language processing project?

I am using a question-and-answer dataset. My neural network takes a question and an article content, and outputs where an answer starts (as an integer). To visualize my data, how...

Asked on 06/30/2021

1 answer

Confusion with Notation in the Book on Deep Learning by Ian Goodfellow et al

In chapter 6.1 on 'Example: Learning XOR', the bottom of page 168 mentions:The activation function $g$ is typically chosen to be a function thatis applied element-wise, with ...

Asked on 06/29/2021

1 answer

Should I apply PCA on the entire dataset or just the nominal values?

I have a data-set with 14~ attributes, roughly half of them nominal. I've used a binary vectorizer to convert these values to a number of attributes. The number of attributes,...

Asked on 06/29/2021 by Matt J

2 answer

Learning with Positive labels only

I have ~7 million rows of customer data (~500 sparse attributes) A million out of them have opted in to a new service. How do I use this signal to...

Asked on 06/29/2021 by Vivek Kalyanarangan

1 answer

Unable to immediately continue Jupyer Notebook after closing then reopening the project

When I reopen a project I am working on in the Jupyter Notebook, and trying to add code, the cell restarts at '1' and the only way I can continue...

Asked on 06/29/2021 by B R

2 answer

Non semi positive definite kernel matrix

What happens if we run a support vector machine model using a kernel that does not satisfy requirements such as non-positive semi definite? This is my flow of thought: In...

Asked on 06/29/2021 by user3812405

0 answer

Using accuracy metric during training for unbalanced multiclass classification

I am training a convolutional neural network and the sensitivity and precision of the minority class is what is most important to me. I am using 10-Fold cross validation, and...

Asked on 06/29/2021 by accAscrub

0 answer

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