The multidisciplinary field of data science uses various methods, instruments, and algorithms to draw conclusions and knowledge from structured and unstructured data. It uses statistical analysis, machine learning, data visualization, and other related techniques to find patterns, predict outcomes, and guide decision-making.
Data gathering: Data is gathered by data scientists from various sources, including databases, APIs, sensors, social media, and web scraping. They work with big data, a term for large amounts of data.
Data preprocessing and cleaning: Raw data is frequently noisy, insufficient, or inconsistent. Data scientists clean and preprocess the data by handling missing values, eliminating duplicates, and transforming the data into a suitable format for analysis.
Exploratory Data Analysis (EDA): EDA is the process of understanding and visualizing data using data visualization techniques, summary statistics, and methods for finding patterns or relationships.
Statistical Analysis: To analyze the data, test hypotheses, and conclude, statistical techniques are used. This covers statistical modeling techniques like regression analysis, descriptive statistics, and hypothesis testing.
Numerous fields, including business analytics, healthcare, finance, marketing, social sciences, and many others, use data science.
It is still developing, allowing organizations to use data for better decision-making and problem-solving as new methods, algorithms, and technologies appear.
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