Revenue Metrics - Amazon.com as a Leading Example of Use of Dynamic Metrics - Part 1

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En provenance du cours de Duke University

Business Metrics for Data-Driven Companies

4818 notes

Duke University

Business Metrics for Data-Driven Companies

4818 notes

Cours 1 sur 5 dans Specialization Excel to MySQL: Analytic Techniques for Business

In this course, you will learn best practices for how to use data analytics to make any company more competitive and more profitable. You will be able to recognize the most critical business metrics and distinguish them from mere data. You’ll get a clear picture of the vital but different roles business analysts, business data analysts, and data scientists each play in various types of companies. And you’ll know exactly what skills are required to be hired for, and succeed at, these high-demand jobs. Finally, you will be able to use a checklist provided in the course to score any company on how effectively it is embracing big data culture. Digital companies like Amazon, Uber and Airbnb are transforming entire industries through their creative use of big data. You’ll understand why these companies are so disruptive and how they use data-analytics techniques to out-compete traditional companies.

À partir de la leçon

Introducing Business Metrics

Welcome! This week we will explore business metrics - the critical numbers that help companies figure out how to survive and thrive. Inside every pile of data is a vital metric trying to get out! By the end of this week, you will be able to: distinguish business metrics from mere business data; identify critical business metrics such as cash flow, profitability, and online retail marketing metrics; distinguish revenue, profitability and risk metrics; and distinguish traditional from dynamic metrics. Included in this week’s course materials is a Cash Flow and P&L statement for Egger’s Roast Coffee, as a supplemental document, so be sure to review it carefully and refer to the glossary for key information.

Revenue Metrics – Traditional Enterprise Sales Funnel8:44

Revenue Metrics - Amazon.com as a Leading Example of Use of Dynamic Metrics - Part 18:37

Revenue Metrics - Amazon.com as a Leading Example of Use of Dynamic Metrics - Part 26:31

Profitability/Efficiency Metrics: Inventory Management10:31

Profitability/Efficiency Metrics: Hotel Room Occupancy Optimization9:41

Risk Metrics: Leverage and Reputational Risk4:19

Rencontrer les enseignants

Daniel Egger
Executive in Residence and Director, Center for Quantitative Modeling
Pratt School of Engineering, Duke University
Jana Schaich Borg
Assistant Research Professor
Social Science Research Institute

Enterprise sales that are dependent on personal one-on-one meetings

between sales people and potential customers, they represent one extreme on

a sales continuum, a place where traditional revenue metrics predominate.

At the other extreme, online retailers entice potential customers to

make purchases without interacting with a human being at all.

Yet successful online retailers manage the customer experience through their web or

mobile based interfaces so

that the sales process does not feel impersonal or robotic.

And they manage it empirically to optimize revenue from each customer visit.

We will study in detail the customer experience and

related metrics for one company that does a brilliant job of defining and

exploiting dynamic revenue metrics, and that is Amazon.com.

If your current company is in retail, there is certainly some aspect

of the Amazon approach that you can apply as current best practice.

Even if you are not in retail, the methods Amazon uses

to study its visitors' click stream data, the pattern of clicks,

cursor movements, movements from page to page, are very

important data analytic methods that will apply to any business with a website.

The beauty of Amazon's underlying computer system design is evident in how seamlessly

what the user sees combines a large amount of pre-processed data from

various databases and indexes, with real-time responses to the user's query,

their clicking activity, they're all-important clickstream.

Real-time customization means that a company can customize each individual's

user experience while that user's session is going on in real time,

based on that user's historical and clickstream data, informed

by detailed records of what that visitor and similar visitors did in the past.

This is our highest expression of the overall goal

of making a business process change right now.

I'd like to show you an example and take you behind the scenes of one of my own

Amazon book searches to explain what work Amazon had to do in the past,

and what it is engineered in real time to supports this current user experience.

I'll start with a text search in books,

typing in the three words information, theory, learning.

In under three seconds, Amazon presents me with a webpage with 12 books visible.

Let me walk you through how this web page with this particular display list of 12

books that Amazon chose to show me is generated.

Amazon maintains a very large database, we'll call at the Book ID database,

where every book itself is assigned a separate record number and

location specified by a unique Book ID.

Amazon also maintains an up-to-date text index, so

that each word in a text search can be used to retrieve exactly the book

records in the database whose title contains that word.

Sometimes also text within a book might be indexed.

For my search, Amazon identifies more than 1,200 books in its database that

have at least one of my three search words in its title or in other indexed text.

Now is when it gets interesting.

Amazon could pick 12 out of 1,200 at random,

in which case, the books would almost certainly not be books that I want.

I would probably click down, look at another page of 12 or

so, maybe two pages, and then give up without buying anything,

after some browsing through largely irrelevant junk.

Welcome to internet search circa 1995.

Instead, Amazon begins to apply its own dynamic revenue metrics.

[COUGH] Amazon ranks the 1200 possibly relevant

items by their predicted relevance to me.

Or put another way, they’re ranked by the probability that someone who typed in

my search terms will buy the item on this visit.

They show me just the top 12 of 1200 that Amazon's prior data analysis

predicts I am most likely to buy, how cool is that?

I infer, although I do not have direct inside knowledge of Amazon's system, that

Amazon is ranking the books they choose to show me using a two step process.

First they study my text string of three words, information, theory, and learning,

and match it to a predefined list of categories, high level subject area.

This list of categories is what old fashioned

library card catalogs called a subject index.

Because a subject index contains a much smaller or

more controlled number of words than all the words that people could run queries

on, this type of index is called a controlled vocabulary index.

Amazon does matching between my text string, the text I typed in on the one

hand, and their controlled vocabulary index on the other hand.

They do this by using a giant thesaurus that finds the best synonym or

synonyms for the words that I've typed in in their subject area index.

This is a very effective method to find for

people what they actually want but didn't know how to ask for,

instead of giving them what they thought they wanted but will be disappointed by.

Maybe they should invent a system that does the same thing for dating.

Oh yeah that exists also.

My clue that this synonym matching is what Amazon is doing

behind the scenes comes from the names

of the subject areas that Amazon has decided to show me as most relevant.

They appear in the upper left-hand corner of the first page, with the number of

books in the Amazon catalog that are cross-listed in each subject area.

Note that although all ten subject areas are in fact relevant to me,

only three of the ten subject areas contain even one

of the words I typed into my original query.

Very cool.

The high level subject index also expands to include subtopics.

If I click on AI and Machine Learning, for example, I get AI and Machine learning,

computer vision, pattern recognition, intelligence and semantics,

neural networks, machine theory, and so on.

We have a tree of categories and sub categories.

Amazon defines best sellers by how well they are selling relative

only to those other books that fall into the same subject area subcategories.

I told you that I suspect Amazon has a two step process for

choosing what 12 books to display to me first.

Their first step is using the thesaurus of synonyms to retrieve the most

relevant categories in Amazon's own subject index.

The second step involves identifying the best-selling books

within the subject subcategories my search terms fit best.

It is these best-sellers,

weighted by their topical relevance, that Amazon displays to me.

The reason why the intermediate step of identifying subject categories

is necessary for Amazon, is that if they just ranked just all 1200 books

by their rate of sales without regard to the subcategory, that

would bury any specialized books that I and maybe only a few thousand other people

are interested in, beneath the weight of the most general interests best sellers.

So, we can infer that the dynamic top line metrics Amazon is using are,

first what are the subject area categories in the controlled vocabulary index

most relevant to this user's exact typed query terms.

Within the subject subcategories that most closely fit his query,

what books are we selling the most of right now?

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