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What Is Data Science?

Data science is the technology that keeps you engaged on social media sites. It is also used by airlines to forecast weather patterns and analyze sensors on aircrafts and rockets in order to improve the safety of flights and efficiency.

Data scientists must first comprehend the value of their data. Having a solid foundation in programming (Python and R are the most well-known) Statistics, statistics machines learning algorithms, and data visualization is essential to solving real-world problems.

Data Preparation

The third key skill is being able to prepare raw data for analysis. This includes tasks such as handling missing data, normalising features, coding categorical variables, and dividing datasets into test and training sets to evaluate models. This guarantees a high-quality dataset that is ready for analytic processing.

Data scientists then use a variety of statistical methods to detect patterns of trends, insights, and trends. These include descriptive analytics as well as diagnostic analytics, prescriptive analytics and predictive analytics. Descriptive analytics summarizes data in an appealing and visually understandable format, such as median mode, mean, standard deviation, and variance. This assists users in making informed decisions by analyzing their findings. Diagnostic analytics utilizes historical data to predict the future. A credit card company employs this method to predict customer default risk, for example. Predictive analytics can detect patterns in data from the past to anticipate future trends, like sales or stock prices.