Data Science Dojo

JULY 5, 2024

Machine learning models are algorithms designed to identify patterns and make predictions or decisions based on data. The torchvision package includes datasets and transformations for testing and validating computer vision models. These models are trained using historical data to recognize underlying patterns and relationships.

Machine Learning 322

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Data Science Dojo

AUGUST 19, 2024

They dive deep into artificial neural networks, algorithms, and data structures, creating groundbreaking solutions for complex issues. Describe the backpropagation algorithm and its role in neural networks. Backpropagation is an algorithm used to train neural networks. What are some ethical considerations in AI development?

AI 258

AI AI Machine Learning Machine Learning 258

Pickl AI

MARCH 26, 2024

Summary: The KNN algorithm in machine learning presents advantages, like simplicity and versatility, and challenges, including computational burden and interpretability issues. Unlocking the Power of KNN Algorithm in Machine Learning Machine learning algorithms are significantly impacting diverse fields.

K-nearest Neighbors 52

K-nearest Neighbors Machine Learning Machine Learning Algorithm 52

DrivenData Labs

JANUARY 22, 2025

Final Stage Overall Prizes where models were rigorously evaluated with cross-validation and model reports were judged by a panel of experts. The cross-validations for all winners were reproduced by the DrivenData team. Lower is better. Unsurprisingly, the 0.10 quantile was easier to predict than the 0.90

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Cross Validation Machine Learning Machine Learning ML 147

Pickl AI

FEBRUARY 17, 2025

Algorithmic bias can result in unfair outcomes, necessitating careful management. ML algorithms can efficiently identify patterns and trends in large datasets, significantly reducing the time and effort needed for analysis. Key Takeaways Data quality is crucial; poor data leads to unreliable Machine Learning models.

Machine Learning 52

Machine Learning Machine Learning Supervised Learning ML 52

Pickl AI

AUGUST 8, 2024

Summary: Support Vector Machine (SVM) is a supervised Machine Learning algorithm used for classification and regression tasks. Among the many algorithms, the SVM algorithm in Machine Learning stands out for its accuracy and effectiveness in classification tasks. What is the SVM Algorithm in Machine Learning?

Machine Learning 52

Machine Learning Machine Learning Support Vector Machines Algorithm 52

Flipboard

NOVEMBER 27, 2024

Using the Categorical Boosting (CatBoost) algorithm with Bayesian optimization for hyperparameter selection and k-fold cross-validation to mitigate overfitting, we analyzed model-feature relationships with SHapley Additive exPlanations (SHAP) values.

Machine Learning 78

Machine Learning Machine Learning Cross Validation Algorithm 78

NYU Center for Data Science

AUGUST 2, 2023

He received his PhD in Electrical Engineering from Stanford University, completing a dissertation on the “ Approximate message passing algorithms for compressed sensing.” Prior to his work at Columbia, Arian was a postdoctoral scholar at Rice University. He has taught various calculus and statistics courses from PhD to BSc levels.

Cross Validation 91

Cross Validation Machine Learning Machine Learning Artificial Intelligence 91

Mlearning.ai

APRIL 10, 2023

It is a popular clustering algorithm used in machine learning and data mining to group points in a dataset that are closely packed together, based on their distance to other points. To understand how the algorithm works, we will walk through a simple example. algorithm: The algorithm used to compute the nearest neighbors of each point.

Algorithm 52

Algorithm Clustering Cross Validation Machine Learning 52

Flipboard

FEBRUARY 2, 2023

Models were trained and cross-validated on the 2018, 2019, and 2020 seasons and tested on the 2021 season. To avoid leakage during cross-validation, we grouped all plays from the same game into the same fold. For more information on how to use GluonTS SBP, see the following demo notebook.

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Cross Validation ML ML Machine Learning 123

Ocean Protocol

FEBRUARY 2, 2023

Indeed, the most robust predictive trading algorithms use machine learning (ML) techniques. On the optimistic side, algorithmically trading assets with predictive ML models can yield enormous gains à la Renaissance Technologies… Yet algorithmic trading gone awry can yield enormous losses as in the latest FTX scandal. Easy peasy.

Cross Validation 52

Cross Validation Algorithm ML ML 52

Dataconomy

JUNE 29, 2023

Python machine learning packages have emerged as the go-to choice for implementing and working with machine learning algorithms. The field of machine learning, known for its algorithmic complexity, has undergone a significant transformation in recent years. Why do you need Python machine learning packages?

Machine Learning 113

Machine Learning Machine Learning Deep Learning Deep Learning 113

Smart Data Collective

JULY 1, 2023

The resulting structured data is then used to train a machine learning algorithm. Cross-validation Divide the dataset into smaller batches for large projects and have different annotators work on each batch independently. Then, cross-validate their annotations to identify discrepancies and rectify them.

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Cross Validation AI AI Machine Learning 93

Mlearning.ai

FEBRUARY 10, 2024

Unlocking Predictive Power: How Bayes’ Theorem Fuels Naive Bayes Algorithm to Solve Real-World Problems [link] Introduction In the constantly shifting realm of machine learning, we can see that many intricate algorithms are rooted in the fundamental principles of statistics and probability. Take the Naive Bayes algorithm, for example.

Algorithm 52

Algorithm Decision Trees Cross Validation Machine Learning 52

Towards AI

AUGUST 16, 2023

We can apply a data-centric approach by using AutoML or coding a custom test harness to evaluate many algorithms (say 20–30) on the dataset and then choose the top performers (perhaps top 3) for further study, being sure to give preference to simpler algorithms (Occam’s Razor).

AI 98

AI AI Machine Learning Machine Learning 98

ODSC - Open Data Science

OCTOBER 24, 2023

Then, how to essentially eliminate training, thus speeding up algorithms by several orders of magnitude? My NoGAN algorithm, probably for the first time, comes with the full multivariate KS distance to evaluate results. There are two aspects to this problem of synthesizing data. It is adjusted for dimension.

Data Science 98

Data Science Cross Validation Algorithm Machine Learning 98

Mlearning.ai

SEPTEMBER 24, 2023

A brute-force search is a general problem-solving technique and algorithm paradigm. Figure 1: Brute Force Search It is a cross-validation technique. Figure 2: K-fold Cross Validation On the one hand, it is quite simple. Big O notation is a mathematical concept to describe the complexity of algorithms.

Cross Validation 52

Cross Validation Algorithm Supervised Learning Python 52

Flipboard

JANUARY 1, 2025

With 20 repeats of fivefold cross-validation, we trained TILTomorrow on different variable sets and applied the TimeSHAP (temporal extension of SHapley Additive exPlanations) algorithm to estimate variable contributions towards predictions of next-day changes in TIL(Basic).

Cross Validation 72

Cross Validation Algorithm Computer Science Computer Science 72

DrivenData Labs

MAY 22, 2024

Gradient-boosted trees were popular modeling algorithms among the teams that submitted model reports, including the first- and third-place winners. Final Prize Stage : Refined models are being evaluated once again on historical data but using a more robust cross-validation procedure.

Cross Validation 130

Cross Validation Machine Learning Machine Learning ML 130

Heartbeat

FEBRUARY 20, 2023

This could involve tuning hyperparameters and combining different algorithms in order to leverage their strengths and come up with a better-performing model. Additionally, I will use StratifiedKFold cross-validation to perform multiple train-test splits.

Cross Validation 87

Cross Validation ML ML Machine Learning 87

Ocean Protocol

NOVEMBER 28, 2024

Using innovative approaches and advanced algorithms, participants modeled scenarios accounting for starting grid positions, driver performance, and unpredictable race conditions like weather changes or mid-race interruptions. Firepig refined predictions using detailed feature engineering and cross-validation.

Cross Validation 85

Cross Validation Decision Trees Data Scientist Data Science 85

DrivenData Labs

MARCH 28, 2023

Team Just4Fun ¶ Qixun Qu Hongwei Fan Place: 2nd Place Prize: $2,000 Hometown: Chengdu, Sichuan, China (Qixun Qu) and Nanjing Jiangsu, China (Hongwei Fan) Username: qqggg , HongweiFan Background: I (qqggg, Qixun Qu in real name) am a vision algorithm developer and focus on image and signal analysis.

Machine Learning 130

Machine Learning Machine Learning Cross Validation Deep Learning 130

Pickl AI

JANUARY 28, 2025

Use cross-validation and regularisation to prevent overfitting and pick an appropriate polynomial degree. You can detect and mitigate overfitting by using cross-validation, regularisation, or carefully limiting polynomial degrees. It offers flexibility for capturing complex trends while remaining interpretable.

Cross Validation 52

Cross Validation Machine Learning Machine Learning Data Preparation 52

DrivenData Labs

MAY 24, 2023

Several additional approaches were attempted but deprioritized or entirely eliminated from the final workflow due to lack of positive impact on the validation MAE. We chose to compete in this challenge primarily to gain experience in the implementation of machine learning algorithms for data science.

Machine Learning 225

Machine Learning Machine Learning Data Science Decision Trees 225

Mlearning.ai

JULY 6, 2023

This is in contrast to other parameters, whose values are obtained algorithmically via training. I wished to assess just how much of a performance gain could be had per algorithm by employing a performant tuning method. Moreover, my experience has shown it to be fairly easy to set up.

Machine Learning 52

Machine Learning Machine Learning Algorithm ML 52

Pickl AI

JANUARY 8, 2025

RFE works effectively with algorithms like Support Vector Machines (SVMs) and linear regression. Embedded Methods Embedded methods integrate feature selection directly into the training process of the Machine Learning algorithm. However, they are model-dependent, which can limit their applicability across different algorithms.

Machine Learning 52

Machine Learning Machine Learning Cross Validation Support Vector Machines 52

Pickl AI

DECEMBER 10, 2024

Introduction Hyperparameters in Machine Learning play a crucial role in shaping the behaviour of algorithms and directly influence model performance. Understanding these model-specific hyperparameters helps practitioners focus on the most important settings for a given algorithm.

Machine Learning 52

Machine Learning Machine Learning Cross Validation Decision Trees 52

Pickl AI

FEBRUARY 12, 2024

Technical Proficiency Data Science interviews typically evaluate candidates on a myriad of technical skills spanning programming languages, statistical analysis, Machine Learning algorithms, and data manipulation techniques. Differentiate between supervised and unsupervised learning algorithms.

Data Science 52

Data Science Cross Validation Machine Learning Machine Learning 52

Pickl AI

JANUARY 3, 2024

Feature engineering in machine learning is a pivotal process that transforms raw data into a format comprehensible to algorithms. EDA, imputation, encoding, scaling, extraction, outlier handling, and cross-validation ensure robust models. What is Feature Engineering?

Machine Learning 52

Machine Learning Machine Learning Exploratory Data Analysis Cross Validation 52

Dataconomy

AUGUST 22, 2023

Today, as machine learning algorithms continue to shape our world, the integration of Bayesian principles has become a hallmark of advanced predictive modeling. Machine learning algorithms are like tools that help computers learn from data and make informed decisions or predictions. This is where machine learning comes in.

Machine Learning 91

Machine Learning Machine Learning Algorithm Deep Learning 91

Pickl AI

NOVEMBER 28, 2024

Summary: The blog discusses essential skills for Machine Learning Engineer, emphasising the importance of programming, mathematics, and algorithm knowledge. Understanding Machine Learning algorithms and effective data handling are also critical for success in the field. Below, we explore some of the most widely used algorithms in ML.

Machine Learning 52

Machine Learning Machine Learning ML ML 52

Mlearning.ai

MAY 20, 2023

image from lexica.art Machine learning algorithms can be used to capture gender detection from sound by learning patterns and features in the audio data that are indicative of gender differences. Various algorithms can be employed, such as Support Vector Machines (SVM), Random Forests, Gradient Boosting, or Neural Networks.

Machine Learning 52

Machine Learning Machine Learning Support Vector Machines Cross Validation 52

DagsHub

JUNE 3, 2024

This can be done by training machine learning algorithms such as logistic regression, decision trees, random forests, and support vector machines on a dataset containing categorical outputs. This can be done by training continuous data over algorithms like linear regression, logistic regression, random forests, and neural networks.

Machine Learning 52

Machine Learning Machine Learning Decision Trees ML 52

DataRobot

DECEMBER 20, 2021

it’s possible to build a robust image recognition algorithm with high accuracy. Just like for any other project, DataRobot will generate training pipelines and models with validation and cross-validation scores and rate them based on performance metrics. Deep learning makes the process efficient.

Clustering 97

Clustering Deep Learning Deep Learning Exploratory Data Analysis 97

Mlearning.ai

FEBRUARY 3, 2023

Parameters are updated by the learning algorithm during training, based on the training data and optimization algorithm, while hyperparameters are set by the practitioner and are not learned from the data. B) Cross-Validation (CV): CV in “GridSearchCV” stands for Cross-Validation.

Cross Validation 52

Cross Validation ML ML Machine Learning 52

Pickl AI

JULY 26, 2023

K-Nearest Neighbors with Small k I n the k-nearest neighbours algorithm, choosing a small value of k can lead to high variance. To mitigate variance in machine learning, techniques like regularization, cross-validation, early stopping, and using more diverse and balanced datasets can be employed.

Machine Learning 52

Machine Learning Machine Learning Cross Validation Decision Trees 52

Pickl AI

NOVEMBER 18, 2024

Key steps involve problem definition, data preparation, and algorithm selection. It involves algorithms that identify and use data patterns to make predictions or decisions based on new, unseen data. Types of Machine Learning Machine Learning algorithms can be categorised based on how they learn and the data type they use.

Machine Learning 52

Machine Learning Machine Learning Decision Trees Algorithm 52