Data Analysis

Question

What is data analysis and what languages are needed to it ?

Answer 1

Data analysis is looking for patterns, trends, correlations in data, for helping managers make informed decisions, and predictions about the future. You need to have some knowledge of statistics, and for more advanced topics like machine learning, some math also.
Programming is not even required, although some languages have specialized tools for data analysis, like Python and R.
You can do this with Excel, or with visual business intelligence tools like Tableau or MS PowerBI.

Answer 2

Data analysis is a process of inspecting, cleansing, transforming and modeling data with the goal of discovering useful information, informing conclusion and supporting decision-making.
Data analysis has two prominent methods: qualitative research and quantitative research. Each method has their own techniques. Interviews and observations are forms of qualitative research, while experiments and surveys are quantitative research.
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