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Descriptive Analytics - Data Visualization Tools

Predictive Analytics - Statistical Methods & Machine Learning Techniqu

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Predictive analytics is a process of examining the data to predict future outcomes. This Analytics employs statistics, machine learning, artificial intelligence, and modelling approaches to identify patterns that may anticipate future consequences and forecasts. Organizations can use historical and present data to predict future trends and behaviours with high accuracy.

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Predictive Analytics Key Highlights

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Predictive analytics analyzes current and historical data to predict expected outcomes.
Predictive approaches are used in various industries, including insurance and marketing, to make strategic decisions.
Predictive models are used in weather forecasting, video game development, voice-to-text translation, customer service decisions, and investment portfolios.
Predictive models encompass Regression analysis, Decision trees, Classification and Clustering models, Time-series models and neural networks.

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Why is Predictive Analytics important?

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Predictive analytics enables businesses to be more proactive by identifying trends influencing strategic decision-making. Forecasts provide a direction to the decision-makers, so organizations no longer need to rely on assumptions they should think on realistic ground to make a strategic plan in advance to survive in the competitive world. Some of the key important aspects of Predictive analytics are as follows −

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Strategic Decision-making

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Predictive analytics enables businesses to anticipate events in the future, allowing them to act before issues arise or opportunities are lost. This alters decision-making from reactive to proactive, resulting in better outcomes.

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Improves Profit Margins

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Predictive analytics can be used to estimate inventories, find pricing strategies, predict customer traffic, and plan to maximize sales.

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Cost Savings and Efficiency

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Predictive analytics may help businesses to optimize operations, reduce expenses and increase efficiency. Companies can prevent equipment failure in manufacturing by performing proactive maintenance.

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Optimizes Marketing Campaigns

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Predictive analytics may uncover new customer insights and forecast behaviours based on inputs, enabling businesses to customize marketing campaigns, retain important customers, and capitalize on cross-selling opportunities.

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Risk Management

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Predictive analytics can detect unusual activity, such as fraudulent transactions, corporate surveillance, or cyberattacks.

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Optimized Resource Allocation

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It enables firms to deploy resources more effectively by forecasting demand. For example, retailers utilize it to manage inventory, ensuring that things are available when needed without overstocking. In human resources, it aids in the prediction of employment requirements.

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How does Predictive Analytics Work?

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Data scientists use predictive models to identify correlations between different elements in selected datasets. Once data collection is complete, a statistical model is formulated, trained, and modified to generate predictions. The workflow for building predictive analytics frameworks follows five basic steps −

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Define the Problem

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A prediction starts with defining a problem more precisely.

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Collect Data

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Data should be gathered from relevant sources like databases, data warehouses, social media, transactional records etc. overall, Before predictive analytics models can be applied, data flows have to be identified, and datasets can be structured in a repository such as a data warehouse like BigQuery.

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Pre-process Data

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It includes data cleaning and data transformation. Raw data is often inconsistent, thus it must be cleaned to eliminate noises, missing values, and outliers. In Data Transformation, data is changed into an analysis-ready format. This could include normalizing, aggregating, or encoding data to maintain consistency.

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Data Exploration

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Analysts examine data to detect trends, correlations, and patterns; it may include data visualization (charts, graphs) to identify important relationships in the data.

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Develop Predictive Models

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Data scientists use several tools and strategies to create predictive models, depending on the problem to be solved and the nature of the data. Some common types of models include Regression Models, Classification Models, Clustering Models and Time Series Models.

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Validate Model

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Validate the model using Test Data and Cross-Validation techniques.

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Model Deployment

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Once the model has been validated and performed successfully, it can be implemented in the real world.

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Types of Predictive Modeling

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Predictive analytics models are specifically designed to analyze historical data to identify patterns, and trends, and use this information to forecast future trends. The popular predictive analytics models are classification, clustering, and time series models −

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1. Classification Models

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Classification modelling is a type of supervised machine learning model that assigns data items to predetermined groups or labels. It's used in different applications, including spam detection and medical diagnosis. The main feature of classification models is to deal with categorical data.

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These models categorize data based on historical data and describe relationships amongst variables in a dataset. For example, to categorize potential customers, detect fraud, and evaluate credit risk. Different classification models include logistic regression, decision trees, random forest, neural networks, and Naïve Bayes, "spam" vs. "not spam".

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2. Clustering Models

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Clustering models are unsupervised machine learning models. They group data based on similar features. For example, an e-commerce website can use the model to categorize customers based on common features and marketing strategies.

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Some of the most commonly used clustering algorithms are k-means, mean-shift clustering, DBSCAN, EM clustering, Gaussian Mixture Models (GMM), and hierarchical clustering.

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3. Time Series Models

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Time series models use various data inputs at a specific time-frequency, such as daily, weekly, monthly and so on. It is an effective tool for predictive modelling, especially when working with data with a temporal component.

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It entails comprehending the underlying structure of sequentially ordered data points throughout time and applying it to forecast future values. Time series analysis is commonly used in finance, healthcare, economics, supply chain management, and meteorology, among others.

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Common Techniques of Predictive Analytics

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Predictive analytics models are often classified into two types: classification models and regression models. Classification models are specifically designed to work with categorical data; this model categorises data objects (e.g., customers or prospective outcomes). For example, if a retailer has a large amount of data on different categories of customers, they may attempt to predict which types of customers will respond to marketing campaigns.

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Regression techniques attempt to predict continuous data, such as a linear regression model can describe the relationship between age and height.

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Read More: Techniques for Predictive Analytics

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Get Started with Predictive Analytics Tools

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A user can follow the following steps to do predictive analytics −

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1. Identify the Business Objective

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First of all, identify business objectives and clarify the question you want to predict from analytics to answer. Create a list of questions and prioritize those that are most important to your organization.

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2. Determine the Datasets

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After creating a list of specific business objectives, examine whether you have the data to answer those questions. Ensure that the datasets are relevant, complete, and sufficiently large for predictive modelling.

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3. Develop an efficient process for sharing and using insights

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Any opportunities or threats you discover will be pointless unless there is a mechanism in place to act on them. Establish effective communication channels to ensure that valuable predictions reach to the correct people.

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4. Choose the right software solutions

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Your company requires a reliable platform as well as tools that allow individuals of all skill levels to ask more in-depth questions about their data. Tableau's advanced analytics or Power BI analytics have capabilities to do time-series analysis, and predictive analyses such as forecasting using a visual analytics interface.

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Applications of Predictive Analytics

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Predictive analytics can be used to improve operations, increase revenue, and reduce risk in practically any business or industry, including banking, retail, utilities, the public sector, healthcare, and manufacturing. Businesses employ predictive analytics to optimize their operations and determine whether new items are worthwhile investments. Investors use predictive analytics to determine where to invest their money. Predictive analytics is used by Internet businesses to fine-tune buy recommendations for their customers and enhance sales. In this line, augmented analytics employs big data and machine learning when data size exceeds.

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Some of the realistic applications of Predictive analytics are as follows −

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1. Banking

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Financial services employ machine learning and quantitative methods to forecast prospects and clients. Banks can use this data to answer issues such as who is most likely to default on a loan, which clients offer high or low risks, which consumers are most profitable to target with resources and marketing spend, and what spending is fraudulent.

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2. Fraud Detection

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Predictive analytics evaluates all actions on a company's network in real-time to detect anomalies that suggest fraud or other weaknesses.

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3. Manufacturing

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Forecasting is critical in manufacturing because it allows for the most efficient use of resources in the supply chain. Critical spokes of the supply chain wheel, such as inventory management and the work floor, require accurate forecasting to function properly.

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4. Marketing and Sales

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Marketing and sales teams are well-versed in using business intelligence reports to assess previous sales performance; however, predictive analytics allows businesses to be more proactive in how they engage with their clients across the customer lifecycle. Marketing specialists preparing a new campaign consider how consumers have reacted to the overall economy.

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For example, churn projections can help sales teams detect unsatisfied customers earlier, allowing them to start conversations to increase retention.

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5. Stock Traders

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When considering whether or not to buy a specific stock or asset, active traders consider a range of historical measures.

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6. Customer Segmentation

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Marketers can utilize predictive analytics to adapt content to specific audiences by segmenting their client base.

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7. Healthcare

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Predictive analytics in healthcare is used to detect and manage chronically unwell patients, as well as to track specific infections like COVID-19. Health-employed predictive analytics are used to examine health records to understand more about how COVID-19 is detected and managed. The predictive algorithm uses COVID-19 health records or health data to predict COVID-19 infection patterns. The model produces effective and useful findings like accurately identify the root causes to the patients with a high risk or survival rate.

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8. Risk Reduction

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Credit scores, insurance claims, and debt collectors all employ predictive analytics to assess and predict potential defaults.

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9. Operational Improvement

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Companies employ predictive analytics models to estimate inventory, manage resources, and improve efficiency.

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10. Human Resources

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Human resources employ predictive analytics to improve a different activity, such as forecasting future workforce skill requirements or identifying variables that contribute to high staff turnover.

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11. Maintenance Forecasting

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Organizations use data to forecast when routine equipment maintenance is required and schedule it before a problem or malfunction occurs.

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Advantages of Predictive Modelling

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An organization that understands what to expect based on prior trends has a competitive advantage in managing inventories, labour, marketing campaigns, and most other aspects of operations.

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Security

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Every company is worried about data security. An integration of automation and predictive analytics enhances security. Specific patterns associated with suspicious, and typical end-user activity can set off specific security measures.

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Risk Reduction

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In addition to protecting data, most organisations are attempting to decrease their risk profiles. For example, a creditor can utilize data analytics to determine whether a customer is at a higher-than-average risk of default. Other companies may employ predictive analytics to determine whether their insurance coverage is appropriate.

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Operational Efficiency

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More efficient workflows lead to higher profit margins. Predictive analytics can help improve decision-making processes. Because the analytics process analyzes all elements of customer behaviour and gains in-depth insights, it is extremely beneficial in improving existing decision-making processes.

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Improved Decision-making

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Running a business necessitates making informed decisions. Any expansion or addition to a product line or any type of growth necessitates weighing the inherent risk against the potential outcome. Predictive analytics can assist experts to frame strategic decision-making and ensure their survival in a competitive world.

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Customer Retention

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Predictive analytics also enables organizations with different needs to segment their customer base based on the criteria that are crucial to their operations. Businesses can also use predictive analytics to optimise their existing data, focus on the proper target audience, broaden the target group, and boost market opportunities.

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Predictive Analytics - Introduction