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MACHINE LEARNING#1

A subset of artificial intelligence that enables systems to learn from data and improve over time without explicit programming.

PREDICTIVE MODELING#2

A statistical technique that uses historical data to predict future outcomes, often applied in sales forecasting.

DATA PREPROCESSING#3

The process of cleaning and transforming raw data into a suitable format for analysis, enhancing model performance.

MODEL EVALUATION#4

Assessing a predictive model's performance using specific metrics to ensure reliability and accuracy.

SUPERVISED LEARNING#5

A type of machine learning where models are trained on labeled data to make predictions.

UNSUPERVISED LEARNING#6

A type of machine learning that identifies patterns in data without labeled outcomes.

FEATURE SCALING#7

A data preprocessing technique that standardizes the range of independent variables to improve model performance.

CROSS-VALIDATION#8

A technique for assessing how the results of a statistical analysis will generalize to an independent dataset.

HYPERPARAMETER TUNING#9

The process of optimizing model parameters to improve performance, often using techniques like grid search.

REGRESSION ANALYSIS#10

A statistical method used to model the relationship between a dependent variable and one or more independent variables.

CLASSIFICATION#11

A supervised learning technique that categorizes data into predefined classes or labels.

OUTLIER DETECTION#12

Identifying and handling unusual data points that can skew model results.

DATA VISUALIZATION#13

The graphical representation of data to identify trends, patterns, and insights effectively.

EVALUATION METRICS#14

Quantitative measures used to assess the performance of predictive models, such as accuracy and F1 score.

TRAINING SET#15

A subset of data used to train a machine learning model.

TEST SET#16

A separate subset of data used to evaluate the performance of a trained machine learning model.

CONFUSION MATRIX#17

A table used to evaluate the performance of a classification model, showing true vs. predicted classifications.

ROC CURVE#18

A graphical representation of a model's diagnostic ability, plotting true positive rates against false positive rates.

INTERPRETABILITY#19

The degree to which a human can understand the cause of a decision made by a model.

DATA QUALITY#20

The condition of a dataset, determined by its accuracy, completeness, consistency, and reliability.

FEEDBACK LOOP#21

A process where the output of a system is used as input for future iterations, enhancing model refinement.

ITERATIVE PROCESS#22

A repetitive approach in model building where feedback is used to make continuous improvements.

APPLICATION PROGRAMMING INTERFACE (API)#23

A set of rules allowing different software entities to communicate, often used to integrate machine learning models.

REAL-WORLD APPLICATION#24

The practical use of machine learning techniques in business scenarios, such as sales forecasting.

ETHICS IN MACHINE LEARNING#25

The study of moral implications and responsibilities in the development and use of machine learning technologies.