TransWikia.com
  1. All Categories
  2. Data Science

Data Science : Recent Questions and Answers (Page 253)

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

How can I label (predict) an unseen set of data based on an existing model?

I'm working on a learning multi-label classification project, for which I've taken 16K lines of text and kind of manually classified them achieving around 94% of accuracy/recall (out of three...

Asked on 01/08/2021

2 answer

Drastic drop in Somers' D ? Why?

I came across to find the correlation between the ratings assigned by two coaches to a same group of 40 players. I have tabulated the results as below: ...

Asked on 01/08/2021 by CoolJohnTo

1 answer

Why does the neural network keep giving out the same output for every input?

Made a neural network using TensorFlow's Keras that is supposed to match an IP to one of the 7 type of vulnerabilities and give out what type of vulnerability that...

Asked on 01/08/2021 by Uzair Ahmed

2 answer

What quantile is used for the initial DummyRegressor for Gradient Boosting Regressor in scikit-learn?

According to the documentation of Scikit-Learn Gradient Boosting Regressor:init: estimator or ‘zero’, default=None: An estimator object that is used to compute the initial predictions. init has to...

Asked on 01/08/2021 by Chong Lip Phang

1 answer

Clustering time series data using dynamic time warping

I would like to cluster/group the curves in the attached picture with Python. The data is...

Asked on 01/08/2021 by timm2110

0 answer

IRL with noisy observations?

I have a question about inverse reinforcement learning. As far as my research went, I found papers that deal with noisy observations of the state, but that's what the agent...

Asked on 01/08/2021 by Matheus Silva

0 answer

Time Series Classification with multiple rows per date

I have a time series data set with the lifecycle of 9000 different B2B sales leads. What I call lifecycle consists of a dataset with one registry per day for...

Asked on 01/07/2021 by NuValue

1 answer

Evaluate document similarity / content-based recommender system

I'm planning on building a basic content-based recommender system with word2vec and cosine similarity.The data consists of 300k documents in varying length. How do I evaluate my model if...

Asked on 01/07/2021

2 answer

K-Prototype for anomaly detection

I have logs of the form (e.g. from a gym login).. the representational case is so: UserName, Login time, timeSpend_on_weights, time_spent_on_ellipticalAva, 5jan 12pm, 10 mins, 20 mins,Bob, 5jan 2pm,...

Asked on 01/07/2021 by Sridhar Iyer

1 answer

Xgboost take k best predictions

I have a mission of classification with a lot of classes. I am comparing some ML algorithms for this case and I would like to try xgboost.I am writing...

Asked on 01/07/2021 by Ariel Amar

2 answer

Ask a Question

Get help from others!

© 2024 TransWikia.com. All rights reserved. Sites we Love: PCI Database, UKBizDB, Menu Kuliner, Sharing RPP