article thumbnail

Top 10 Data Science Interviews Questions and Expert Answers

Pickl AI

Machine Learning Algorithms Candidates should demonstrate proficiency in a variety of Machine Learning algorithms, including linear regression, logistic regression, decision trees, random forests, support vector machines, and neural networks. What is cross-validation, and why is it used in Machine Learning?

article thumbnail

Predicting Heart Failure Survival with Machine Learning Models — Part II

Towards AI

That post was dedicated to an exploratory data analysis while this post is geared towards building prediction models. In our exercise, we will try to deal with this imbalance by — Using a stratified k-fold cross-validation technique to make sure our model’s aggregate metrics are not too optimistic (meaning: too good to be true!)

professionals

Sign Up for our Newsletter

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

article thumbnail

Text Classification in NLP using Cross Validation and BERT

Mlearning.ai

While the amount of data available was limited, we have tried to solve the problem of generalization by using methods such as stopwords removal, tokenization, lemmatization, dropout and early stopping. Prediction of Solar Irradiation Using Quantum Support Vector Machine Learning Algorithm. link] Ganaie, M.

article thumbnail

The Age of Health Informatics: Part 1

Heartbeat

Image from "Big Data Analytics Methods" by Peter Ghavami Here are some critical contributions of data scientists and machine learning engineers in health informatics: Data Analysis and Visualization: Data scientists and machine learning engineers are skilled in analyzing large, complex healthcare datasets.

article thumbnail

[Updated] 100+ Top Data Science Interview Questions

Mlearning.ai

The following Venn diagram depicts the difference between data science and data analytics clearly: 3. Data analysis can not be done on a whole volume of data at a time especially when it involves larger datasets. Another example can be the algorithm of a support vector machine.

article thumbnail

From prediction to prevention: Machines’ struggle to save our hearts

Dataconomy

So how can the technology of our time, machine learning, be used to improve the quality and length of human life? Heart disease stands as one of the foremost global causes of mortality today, presenting a critical challenge in clinical data analysis. Dealing with missing values is a common challenge in medical data analysis.

article thumbnail

How to Choose MLOps Tools: In-Depth Guide for 2024

DagsHub

Scikit-learn Scikit-learn is a machine learning library in Python that is majorly used for data mining and data analysis. It also provides tools for model evaluation , including cross-validation, hyperparameter tuning, and metrics such as accuracy, precision, recall, and F1-score.