Data Science Questions, Problems & Solutions : TransWikia.com ~ Page 48

Linear Regression in Python using gradient descent

I am trying to implement a simple multivariate linear regression model without using any inbuilt machine libraries. So far, I have been able to get a root mean squared error...

Asked on 08/20/2021 by MaJoR21

1 answer

SHAP value analysis gives different feature importance on train and test set

Should SHAP value analysis be done on the train or test set? What does it mean if the feature importance based on mean |SHAP value| is different between the...

Asked on 08/20/2021 by pbk

2 answer

Can I apply feature selection before splitting by requiring selection occurs > 90% of time

I want to move the feature selection step to before splitting to save time and allow bigger input dataset. If, in repeated subsamples, a feature is selected in over X...

Asked on 08/20/2021 by ran8

1 answer

What is the best way to visualize data that is over 100% capacity

I’m trying to visualize some data that is usually under 100% (for example, workload, or activity) but on some occasions it will rise over 100, meaning that the resource has...

Asked on 08/20/2021 by unaiherran

1 answer

What is the best way for synthetic data generation while maintaining privacy?

For one of the projects where we are working as third party contractors, we need a way for the company to share some datasets which can be used for data...

Asked on 08/20/2021 by Vivek Maskara

3 answer

What are some ways to transition from additive to multiplicative(or vice-versa) changes in time-series quickly?

Let's say I have a variable x and as time progresses, I want to update the value of x in additive/multiplicative manner using some attributes. At t=t, new_x = x...

Asked on 08/20/2021

1 answer

On gradient boosting and types of encodings

I am having a look at this material and I have found the following statement:For this class of models [Gradient Boosting Machine algorithms] [...] it is both...

Asked on 08/20/2021 by carlo_sguera

1 answer

1D convolutional neural network validation improvement

I created 1D CNN in Keras, but I'm having issues with validation loss and accuracy.I have 24k records, 22 features. Is my model overfitting or what is going on...

Asked on 08/20/2021 by ewazdomu

0 answer

What is the structure and dimension of input passed to neural network when training CBOW and SKIP GRAM word embedding

I am confused about input passed to neural network in natural language processing (NLP) when training CBOW word embedding from scratch. I read the paper and have some doubts....

Asked on 08/19/2021

1 answer

Forecasting vs non-forecasting predition for time series anomaly detection

I have got the objective of implementing a uni/multivariate online anomaly detection system. After multiple days of research, I could collect many ways to achieve this (Eg. ...

Asked on 08/18/2021 by freesoul

1 answer

Ask a Question

Get help from others!

Data Science : Recent Questions and Answers (Page 48)

Ask a Question