datareanalyysejä
Datareanalyysejä, or data analysis, is the process of inspecting, cleansing, transforming, and modeling data with the goal of discovering useful information, informing conclusions, and supporting decision-making. This broad field encompasses various techniques and methodologies, often employed in fields such as statistics, computer science, and business. The primary objective is to extract meaningful patterns, trends, and insights from raw data.
The process typically begins with data collection, followed by data cleaning to handle missing values, outliers,
Tools and software commonly used in data analysis include statistical packages like R and Python with libraries