Prescriptive Analytics & Decision Making

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Questions and Answers

What is the primary goal of prescriptive analytics?

  • To describe historical data trends.
  • To diagnose the reasons behind past failures.
  • To predict future outcomes based on past data.
  • To determine an optimal course of action by considering all relevant factors. (correct)

Which of the following is a prominent role prescriptive analytics plays in sales?

  • Managing customer service tickets.
  • Analyzing customer sentiment from social media.
  • Lead scoring to rank leads based on their likelihood to convert. (correct)
  • Creating marketing brochures.

Which of the following processes is an example of prescriptive analytics in action?

  • Recommending videos to a user on a video platform based on their viewing history. (correct)
  • Generating a report showing website traffic over the past year.
  • Creating a dashboard to display sales performance.
  • Identifying the age and location of website visitors.

In banking, how is prescriptive analytics typically applied?

<p>To detect and flag fraudulent transactions. (C)</p> Signup and view all the answers

How can prescriptive analytics assist in product management?

<p>By determining which features to include or exclude in a product based on user data. (B)</p> Signup and view all the answers

What is the main goal of email automation in marketing, as it relates to prescriptive analytics?

<p>To sort leads into categories based on their motivations and deliver relevant content. (A)</p> Signup and view all the answers

When initiating prescriptive analytics in an organization, which approach is recommended?

<p>Starting with a small, specific question or process to optimize. (B)</p> Signup and view all the answers

What role does human judgement play in prescriptive analytics?

<p>It is crucial for providing context and guardrails to algorithmic outputs. (A)</p> Signup and view all the answers

What is the most important aspect of data visualization?

<p>To translate information into a visual context. (B)</p> Signup and view all the answers

What is the primary goal of data visualization?

<p>To make data easier for the human brain to understand and identify patterns, trends, and outliers. (A)</p> Signup and view all the answers

Why is data visualization important for advanced analytics?

<p>It makes the outputs easier to interpret and ensures that models are performing as intended. (B)</p> Signup and view all the answers

What role does data visualization play in the decision-making process?

<p>It allows stakeholders to make informed decisions based on visually presented evidence rather than solely relying on numerical data. (D)</p> Signup and view all the answers

Which of the following is an example of a data visualization technique that illustrates the frequency and distribution of data points?

<p>Histogram (A)</p> Signup and view all the answers

Why are line charts valuable for business analysts?

<p>They are ideal for showing trends over time, making them valuable for tracking performance metrics across business quarters. (A)</p> Signup and view all the answers

What is the purpose of using 'bins' in histograms?

<p>To group numerical data points into ranges, allowing users to see patterns that might remain hidden in raw data. (D)</p> Signup and view all the answers

What should be considered when choosing the number of bins and their range when creating a histogram?

<p>Accurately conveying the data's distribution; too few bins can oversimplify, while too many can obscure meaningful trends. (D)</p> Signup and view all the answers

What is a key consideration when using pie charts?

<p>They should be used cautiously, as they can become cluttered and difficult to interpret when too many segments are included. (A)</p> Signup and view all the answers

What is the role of color in data visualizations?

<p>Color can guide viewers' attention, help identify patterns, and evoke specific emotions. (C)</p> Signup and view all the answers

What is a 'moving average' and why is it useful?

<p>A tool to simplify complex data sets by smoothing out fluctuations and highlighting trends over specific periods. (B)</p> Signup and view all the answers

The use of which of the following can transform static graphs into dynamic insights that engage the viewer?

<p>Interactivity. (C)</p> Signup and view all the answers

What is a common pitfall in data visualization that should be avoided?

<p>Overloading a visualization with too much information. (B)</p> Signup and view all the answers

What is the impact of designing data visualizations that are difficult to read?

<p>It will lead to misleading interpretations and hinder actionable insights. (A)</p> Signup and view all the answers

What is the benefit of tailoring visuals to the target audience's level of expertise?

<p>It ensures that complex data is presented in an accessible manner. (A)</p> Signup and view all the answers

In data visualization, what is the purpose of using charts and graphs to depict trends?

<p>To highlight essential patterns while avoiding clutter. (A)</p> Signup and view all the answers

Why is it crucial to label axes clearly and include a legend where necessary in data visualizations?

<p>To provide context to the visual, thereby making it easier for the audience to interpret the information accurately. (C)</p> Signup and view all the answers

What is a benefit of integrating interactive elements in visualizations?

<p>They can enhance engagement and understanding by allowing users to explore the data at their own pace. (B)</p> Signup and view all the answers

What is the purpose of a bar chart?

<p>Display data across different categories, comparing quantities. (B)</p> Signup and view all the answers

Which is an advantage of data analytics and data visualization?

<p>Informed decision making, by using scientific methods to derive insights from data and visualization to make these insights clear. (B)</p> Signup and view all the answers

Which one is the popular tool for data scientists that performs linear programming?

<p>R (C)</p> Signup and view all the answers

Which step comes first when defining a Linear Programming problem?

<p>Identify the decision variables. (A)</p> Signup and view all the answers

What is the technique of selecting the shortest route called?

<p>Linear programming (C)</p> Signup and view all the answers

What term describes an upper cap on the total cost spent by a farmer?

<p>Constraint (C)</p> Signup and view all the answers

In linear programming, which method is used for a situation, where there are only two decision variables present?

<p>Graphical method (D)</p> Signup and view all the answers

Data privacy and security is a key factor to consider when working with data visualization, what might occur, if it is ignored?

<p>Susceptibility to cyberattacks. (A)</p> Signup and view all the answers

What is the primary purpose of data visualization?

<p>To make complex data more understandable, accessible and usable. (A)</p> Signup and view all the answers

Flashcards

Prescriptive Analytics

Using data to determine the best course of action, yielding recommendations for next steps to optimize decision-making.

Machine-Learning Algorithms

Algorithms find patterns/make recommendations using 'if' and 'else' logic. Algorithms provide data-informed recommendations, but human judgement is essential.

Lead Scoring

Assigning point values to actions along the sales funnel to rank leads based on their likelihood to convert into customers.

Algorithmic Recommendations

Algorithms analyze user engagement history to make content recommendations.

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Fraud Detection

Algorithms trained on historical transaction data to analyze and scan new transactional data for anomalies, alerting the bank and providing action.

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Product Development

Product managers gather user data, run tests, conduct market research, and collect behavioral data to inform product development and improvements.

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Email Automation

Sorting leads based on motivations, mindsets, and intentions to deliver targeted email content.

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Data Visualization

The practice of translating information into a visual format (maps, graphs) for easier understanding and insight extraction.

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Histograms

Histograms display data frequency across intervals ('bins') to identify patterns and anomalies.

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Charts and Graphs

Charts visually represent data to highlight relationships, trends, and comparisons.

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Role of Color

Using colors in data visualizations to guide attention, differentiate, and evoke emotions.

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Moving Averages

Simplifying complex data sets by smoothing out fluctuations to highlight trends.

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Interactive Visualizations

Dynamic graphs that engage the viewer using filters, tooltips, and clickable legends.

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Key Elements of Effective Data Visualizations

Clarity, accuracy, and suitable chart types for effective communication of insights.

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Chart Types

A bar for comparing quantities across categories. Line for showing change over time. Scatter to show correlations. Pie to represent parts of a whole.

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Optimization Modeling

A mathematical approach to find the best solution considering constraints and objectives.

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Objective Functions

Mathematical expressions that define what you want to maximize or minimize in your model.

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Decision Variables

Variables you control to influence the outcome, represented by symbols and subject to constraints.

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Constraints

Resource availability, capacity limits, or regulatory requirements.

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Stochastic Optimization

Has randomness/uncertainty.

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Nonlinear Optimization

Objective function, constraints and contains nonlinear functions.

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Unconstrained Optimization

Finds the maximum or minimum of an objective function without any constraints on the decision variables.

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Heuristic

A problem-solving approach that finds approximate solutions to complex optimization problems

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Mathematical expression

Represent what you want to maximize or minimize. Includes decision variables.

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Express Constraint

Limits value or relationship of decision variables.

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Programming Model

A programming to represent as linear programming, nonlinear programming, integer programming or quadratic programming.

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Manufacturing Problems

Models of production used to optimize resource availabilities or minimal costs.

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Diet problems

Problems used to look for a least costly diet meeting nutrition.

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Transport Problems

Problems that minimize moving goods costs.

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Optimal Assignment

Efficiently allocate tasks or resources in a model.

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Linear Program Solution

Solve linear programming problems through identification decision, construct objective, listing all constraints and ensuring non-negative restrictions.

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Linear Programming

Objective must have linear decision, objective and constraints.

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Feasible Region

In graphical method it is where intersecting region provides the best results.

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Decision Variables

Variables that decide the output representing its ultimate solution.

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Objective Function

Objective of making decisions for a company based on decisions.

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Study Notes

Prescriptive Analytics Overview

  • Prescriptive analytics utilizes data to determine the best course of action
  • This analysis provides recommendations for the next steps, making it valuable for data-driven decision-making
  • Machine learning algorithms process large datasets faster and more efficiently than humans
  • Algorithms use "if" and "else" statements to analyze data and make recommendations based on requirements

Importance of Human Judgement

  • Algorithms offer data-informed recommendations, but cannot replace human judgment
  • Prescriptive analytics informs strategies and requires human discernment to provide context and algorithmic outputs

Venture Capital: Investment Decisions

  • Investment decisions are strengthened by algorithms that weigh risks and recommend investments
  • A Harvard Business Review experiment tested algorithms against angel investors in startup investment picks
  • Algorithms outperformed inexperienced angel investors unskilled in controlling cognitive biases

Angel Investors in Venture Capital Decisions

  • Experienced angel investors who controlled cognitive biases outperformed algorithms
  • Prescriptive analytics plays a complementary role in decision-making by aiding decision-making when experience isn't present
  • Algorithms are only as unbiased as their training data, requiring human judgment

Sales: Lead Scoring

  • Prescriptive analytics uses lead scoring to rank leads based on their likelihood to convert
  • Lead scoring assigns point values to actions taken along the sales funnel

Lead Scoring Actions

  • Assign values to:
    • Page views
    • Email interactions
    • Site searches
    • Content engagement including webinars, e-books, and videos
  • Assign high point values to actions implying purchase intent, like visiting a product page
  • Assign negative points to actions showing non-purchase intent, like viewing job postings

Content Curation: Algorithmic Recommendations

  • Social media platforms and dating apps use prescriptive analytics for algorithmic content recommendations
  • Algorithms gather data from user engagement history on platforms and potentially other sources
  • Algorithm triggers can release specific recommendations based on behavior combinations

Tik Tok "For You" Example

  • TikTok’s "For You" feed exemplifies prescriptive analytics
  • Website states user interactions weight a user’s level of interest
  • TikTok ranks and delivers videos to each user based on the analysis of potential interest
  • Prescriptive analytics can increase customer engagement, customer satisfaction, and ad retargeting with ads based on user behavioral history

Banking: Fraud Detection

  • Prescriptive analytics is used in banking to detect and flag fraudulent activity algorthmically
  • Algorithms analyze and scan new transactional data for anomalies, using customers' historical transaction data

Example anomaly

  • Spending is usually $3,000 per month, but suddenly there is a $30,000 charge

Bank Alerts and actions

  • Algorithms analyze transactional data, alerts banks, and recommends a course of action
  • Recommended action may be to cancel the credit card for potential stealing

Product Management: Development and Improvement

  • Prescriptive analytics informs product development and improvements
  • Product managers use surveys, beta tests, market research, and behavioral data to gather user data
  • Data is analyzed to identify trends, reasons for trends, and predict trend recurrence
  • Prescriptive analytics can determine which product features to include/exclude and what changes ensure better user experience

Marketing: Email Automation

  • Email automation uses prescriptive analytics
  • Marketing sorts leads into categories based on motivations, mindsets, and intentions
  • Email content is delivered based on these categories, and lead interactions may shift leads to different categories triggering new messages
  • Email automation personalizes messaging at scale, improving lead conversion using relevant content

Leveraging Prescriptive Analytics

  • Adopt prescriptive analytics to improve decision-making
  • Start with a question or process, gathering related data to analyze with various types of analytics
  • The analysis types are:
    • Descriptive
    • Diagnostic
    • Prescriptive
  • Use proprietary algorithms, third-party tools, or manual analysis to assess next steps and their impact with company data
  • Prescriptive analytics optimizes strategies and helps reach organizational goals.

Data Visualization Importance

  • Data visualization translates information into visual contexts
  • Examples of visual contexts are maps and graphs
  • Data visualization assists the human brain to understand and extract insights
  • The goal is to identify patterns, trends, and outliers in datasets

Data Visualization Details

  • Data visualization is also known as information graphics, information visualization and statistical graphics
  • Data is visualized for conclusions after having been collected, processed, and modeled
  • It identifies, locates, manipulates, formats, and delivers data for efficiency
  • Executives share information with stakeholders using data visualization

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