Wine Quality Prediction using Machine Learning

Detecting wine quality using machine learning (ML) includes observing various physicochemical features of wine to decide its quality on a given measurement. Here the dataset has fundamental features and are responsible for distressing the quality of the wine. By the use of several Machine learning models, we will forecast the quality of the wine let us explore a wide variety in this page.

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1. Problem Definition:

We have to predict the quality of a wine based on its biophysical attributes.

2. Data Collection:

A majorly used dataset for this issue is the UCI wine Quality dataset obtainable for both red and white wines that we can utilize it. The dataset includes the properties like:

• Fixed acidity
• Volatile acidity
• Citric acid
• Chlorides
• Residual sugar
• Density
• pH
• Sulphates
• Alcohol
• Free sulfur dioxide
• Total sulfur dioxide
• Quality (score between 0 and 10, which serves as the target variable)

3. Data Preprocessing:

• Handle Missing Values: To handle lost values we suggest the necessary methods.
• Normalization or Standardization: We normalize and standardize the attributes to make sure they’re on the same measure.
• Data Splitting: Partition the data into training, evaluation and test sets for our project work.

4. Exploratory Data Analysis (EDA):

• We visualize the dispersion of various features and the goal variable (wine quality).
• Exploring correlations between characteristics and our wine quality.
• Finding possible outliers and trends.

5. Feature Selection/Engineering:

When the dataset already offers similar features, we will:

• Make communication terms between particular characteristics.
• Utilize techniques such as correlation review and feature essentialness from tree-based frameworks when there is need to decrease dimensions.

6. Model Selection:

We test several algorithms to identify which performs the best:

• Neural Networks
• Support Vector machines (SVM)
• Linear Regression (and its regularized versions such as Ridge and Lasso)
• Decision Tress and Random Forest
• Gradient Boosted Machines (like XGBoost and LightGBM)

7. Model Training:

By using the training dataset, we have to choose our model.

8. Evaluation:

We estimate the model’s efficiency on the validation and test datasets using proper metrics such as:

• Mean Absolute Error (MAE)
• Mean Squared Error (MSE)
• R^2 score
• Other various relevant metrics based on the issue’s distinct

9. Optimization:

• Hyperparameter Tuning: We adapt parameters of the framework to improve its performance.
• Ensembling: To group and integrate detections from multiple models we put methods such as bagging and boosting for developing overall outcomes.
• Cross-Validation: By utilizing approaches such as k-fold cross-validation, we make sure of the powerful efficiency across various data states.

10. Deployment:

When our model functions nicely we can apply it in relevant settings like winery’s internal system and a mobile app for wine addict.

11. Feedback Loop:

We have to collect reviews from domain experts (e.g., sommeliers) and repeat on the framework to refine and increase forecasting.

Tools & Libraries:

• Data Handling & EDA: pandas, NumPy, Matplotlib, Seaborn
• Machine Learning: scikit-learn, TensorFlow, Keras, XGBoost

      Final Thoughts:

             Predicting the quality of wine using ML is an exciting and experimental project that gives data analysis and domain knowledge to us.  We consider that manual skill in tasting wine becomes inaccurate, but this ML offers supportive excessive techniques to help professionals in their calculations.

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1. Enhancing red wine quality prediction through Machine Learning approaches with Hyperparameters optimization technique

Keywords:

Red wine, Machine learning classifiers, Regressors, Hyperparameter tuning, Grid search

            We estimate the comparison of classification and regression methods to predict the quality of red wine. Our paper executed various classifiers and regressors that can be trained and tested. The comparative analysis of accuracies for eight methods with hyperparameter tuning optimisation like LR, GB, Extra Tree, Ada Boost, RF, SVC, DT and KNN and these can measure the classification report. We use smote classifier method for imbalance data. We also perform cross validation method like grid search. Our GB method accurately predict wine quality.  

2. Building a Classification Model based on Feature Engineering for the Prediction of Wine Quality by Employing Supervised Machine Learning and Ensemble Learning Techniques

Keywords:

Supervised machine learning, wine quality, classification, ensemble learning, feature engineering

The main focus of our study is two-fold: At first the wine quality can be predicted based on the connection between physiochemical factors to regulate the quality of wine by executing some supervised ML and ensemble learning methods and the final outcome employ a variety of quantitative indicators and the second is classification of wine into 3 categories namely: Best, good and poor. Our ML-based RF classifier gives the best outcome.

3. Quality of Red Wine: Analysis and Comparative Study of Machine Learning Models

Keywords:

Wine, Red wine, Machine Learning, Supervised Learning Algorithm, Analysis, Prediction of red wine quality

            We collect the red wine datasets that can be utilized to train and test purpose for the classification of red wine into six categories: then the six classes of data were changed to two class based on the quality index. Four various ML methods were used to predict the classification of red wine on two class datasets. Out of our four methods DT classifier predicts best performance.

4. Comparison of the Performance of Several Regression Algorithms in Predicting the Quality of White Wine in WEKA

Keywords:

Prediction, regression algorithm, kNN, SVM, random forest, decision tree, multi-layer perceptron

            Our aim is to estimate the efficacy of multiple regression method in predicting white wine quality. We utilized the white wine dataset from UCI ML repository. We implement the regression method Waikato environment for knowledge analysis. We used the ML methods like RF, KNN, DT, LR, MLP and SVM. Out of these our RF gives the best performance.

5. Prediction of Wine Quality: Comparing Machine Learning Models in R Programming

Keywords:

R programming, Algorithms

            Our paper uses R programming language for prediction while compare different ML methods like LR, NN, NB classification, Linear Discriminant Analysis, Classification and Regression Trees, KNN, SVM with Linear Kernel and RF. Our providing data can be segmented into test and train portion for validation. Our RF gives best performance when cross validated in 10-folds.

6. A machine learning application in wine quality prediction

Keywords:

Pinot noir, SMOTE, XGBOOST, Stochastic Gradient Decision Classifier

            The aim of our paper is to predict wine quality by producing synthetic data and built a ML method based on synthetic data and we gather data from different regions and we generated various samples by utilizing SMOTE method. We utilize seven ML methods to train and test the sample. Our AdaBoost method gives high accuracy and RF performance has been increased.

7. A Machine Learning Based Approach for Wine Quality Prediction

Keywords:

Logistic Regression

            Our paper provides an automatic prediction of wine quality as good or bad by utilizing several ML such as Neural Networks, Logistic Regression and Support Vector Machine are executed on datasets. Our outcomes can be compared with some standard values. Our Support Vector Machine gives best performance than other methods.