Data Analytics
Converts raw data into actionable insightsData & information

Collection of data
Organization of data
Presentation of data
Analysis of data
Data Analysis
- Data analysis is defined as a process of cleaning, transforming, and modeling data to discover useful information for business decision-making.
- The purpose of Data Analysis is to extract useful information from data and taking the decision based upon the data analysis.
Types
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Descriptive Analytics:
- Objective: Describes what has happened in the past.
- Focus: Summarizes and provides an overview of historical data.
- Methods: Aggregation, summarization, and data visualization.
- Example: Generating reports on monthly sales, summarizing website traffic, or creating dashboards displaying key performance indicators (KPIs).
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Diagnostic Analytics:
- Objective: Examines past data to understand why a certain event happened.
- Focus: Identifying patterns, correlations, and relationships.
- Methods: Drill-down, data mining, and correlation analysis.
- Example: Investigating the reasons behind a sudden spike or drop in sales, analyzing the factors contributing to customer churn, or identifying the root causes of production issues.
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Predictive Analytics:
- Objective: Predicts future outcomes or trends based on historical data.
- Focus: Forecasting and making predictions.
- Methods: Statistical models, machine learning algorithms, and time-series analysis.
- Example: Forecasting future sales based on historical data, predicting equipment failures in a manufacturing plant, or estimating the likelihood of a customer making a purchase.
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Prescriptive Analytics:
- Objective: Recommends actions to optimize a particular outcome.
- Focus: Providing advice on what actions to take to achieve desired results.
- Methods: Optimization algorithms, simulation, and decision analysis.
- Example: Recommending optimal pricing strategies for products, suggesting personalized marketing approaches for different customer segments, or advising on inventory levels to minimize stockouts.
Methods
Pandas
Numpy
matplotlib
Seaborn
Scikit-learn
Pandasql
Data Analytics Using Pandas
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By viji sulochana
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