big data analytics: the math, the implementation and how it can be effectively used to reach...
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Big Data Analytics: The Math, the Implementation and How it can be Effectively Used to Reach Customers http://www.infotrustllc.comTRANSCRIPT
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UP NEXT… 10:00am
Big Data Analytics: The Math, the Implementation
and How it can be Effectively Used to Reach
Customers
BECK NADIR
Follow the action on Twitter using #AtE2014
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Big Data Analytics: The math, the implementation, and how it is
used to reach customers By Beck Nadir
10/15/14 2!
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3!
By the Time You Walk Out of Here, You…
Will not be afraid of statistics!
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4!
By the Time You Walk Out of Here, You…
Will not be afraid of statistics! Want to predict behavior
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5!
The Person Occupying Your Lunchtime! How am I here? - Huge nerd from the start - Web analytics personnel at Moz
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6!
The Person Occupying Your Lunchtime! How am I here? - Huge nerd from the start - Web analytics personnel at Moz
Education - B.S. in Nuclear Engineering from Purdue University - MBA from University of Washington – Bothell
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7!
Synopsis
Can every action in life be calculated?
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8!
We Will Go Over… How do we track data, and why do we care?
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9!
We Will Go Over…
What tools do we use to track and capture data?
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10!
We Will Go Over…
Mathematics!
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11!
We Will Go Over…
How do we make sense out of data?
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12!
We Will Go Over…
Can we predict future customer behavior at Moz?
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13!
We Will Go Over…
Customer value, and TAGFEE culture
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14!
How We Track Data, and the Tools We Use
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15!
How We Track Data, and the Tools We Use
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16!
Mathematics
The all watching eye?
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17!
Mathematics
What if I wanted to get personal…REALLY personal?
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18!
What if I wanted to get personal…REALLY personal?
“…When someone suddenly starts buying lots of scent-free soap and extra-big bag of cotton balls, in addition to hand sanitizers and washcloths, it signals they could be getting close to their delivery date”. (Target, 2012)
Mathematics
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19!
“…because people who are going through a divorce are more likely to miss payments, your domestic troubles are of great interest to a company that thrives on risk management. Exactly how the credit industry does it (predict divorce) – through sophisticated data-mining techniques – is a closely guarded secret.” (Visa, 2010)
Mathematics
What if I wanted to get personal…REALLY personal?
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20!
Would we do this at Moz?
Mathematics
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21!
Mathematics
Case Study:
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22!
Mathematics
Case Study:
Is there a way to expect a certain salary?
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23!
Mathematics
Case Study:
Is there a way to expect a certain salary?
Does education matter?
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24!
Mathematics
Case Study:
Is there a way to expect a certain salary?
Does education matter?
Advanced Degree?
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25!
Mathematics
Case Study:
Is there a way to expect a certain salary?
Does education matter?
Advanced Degree?
Gender?
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26!
Mathematics
What if…
Salary = 49708.65 + 424.78*yrs_exp + 1723.46*yrs_educ + 153.47*supervis + 1280.52*perform – 4372.53*female + 1239.95*MBA
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27!
Mathematics
What if…
…we know what to expect at all times?
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28!
Mathematics
All data we have, says something about the future.
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29!
Mathematics
All data we have, says something about the future. It’s a question of probability, and independent variables.
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30!
Mathematics
All data we have, says something about the future. It’s a question of probability, and independent variables. Bond, James Bond!
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Mathematics
http://www.youtube.com/watch?v=l5C7LMOWyYc
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Mathematics We always start with lots of data
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Mathematics We always start with lots of data
Nm = Number of males= 24. Nf = Number of females = 17.
Xm = Average male management salary = $68,609.
Xf = Average female management salary = $65,763.
Sm = Male salary standard deviation = $6,108. Sf = Female salary standard deviation = $6,084
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34!
Mathematics We always start with lots of data The trick is making sense out of it
Nm = Number of males= 24. Nf = Number of females = 17.
Xm = Average male management salary = $68,609.
Xf = Average female management salary = $65,763.
Sm = Male salary standard deviation = $6,108. Sf = Female salary standard deviation = $6,084
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35!
Mathematics
Overwhelming!
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36!
Mathematics 3 Common Ways of Creating Predictive Analytics:
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Mathematics 3 Common Ways of Creating Predictive Analytics: a. Multi-Colinearity Analysis
§ Practice of finding and relating one variable (KPI) to another.
§ The less related two variables are to each other, the better for analysis.
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38!
Mathematics 3 Common Ways of Creating Predictive Analytics: a. Multi-Colinearity Analysis
Compare/Contrast
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39!
Mathematics 3 Common Ways of Creating Predictive Analytics:
b. Linear/Multi-Linear Regression
§ Where statistics come together, to predict a future event. § A series of variables, determines a single outcome.
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40!
Mathematics 3 Common Ways of Creating Predictive Analytics:
b. Linear/Multi-Linear Regression
Fit the Pieces
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41!
Mathematics 3 Common Ways of Creating Predictive Analytics:
c. Cluster Analysis
§ Practice of grouping data points in similar “clusters”. § Practice of statistical distribution, and multi-objective
optimization.
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42!
Mathematics 3 Common Ways of Creating Predictive Analytics:
c. Cluster Analysis
Group the Knowledge
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43!
Mathematics 3 Common Ways of Creating Predictive Analytics:
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44!
Mathematics 3 Common Ways of Creating Predictive Analytics:
Compare/Contrast
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45!
Mathematics
Fit the Pieces
3 Common Ways of Creating Predictive Analytics:
Compare/Contrast
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46!
Mathematics
Group the Knowledge Fit the Pieces
3 Common Ways of Creating Predictive Analytics:
Compare/Contrast
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47!
How Do We Make Sense Out of Data?
Does Gender and/or education effect salary?
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48!
How Do We Make Sense Out of Data?
Does Gender and/or education effect salary?
Case Study:
Harvard Review’s Equal Pay for Equal Work
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49!
How Do We Make Sense Out of Data? Multi-Colinearity Analysis
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50!
How Do We Make Sense Out of Data? Multi-Colinearity Analysis
Compare/Contrast
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51!
How Do We Make Sense Out of Data? Multi-Colinearity Analysis
y = -9E-06x + 1.0371 R² = 0.02627
0
0.5
1
45000 50000 55000 60000 65000 70000 75000 80000 85000 90000
Gen
der
Salary ($)
Gender vs. Salary
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How Do We Make Sense Out of Data? Multi-Colinearity Analysis
Years Exp.
Yrs. Educa.on
Supervisor Exp. Performance Female MBA Salary
Salary Last Job
How Much Asked For Ambi.on
Salary 0.58 0.55 0.58 0.59 0.52 0.57 1 0.85 0.9 0.75
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53!
How Do We Make Sense Out of Data? Multi-Colinearity Analysis
y = -9E-06x + 1.0371 R² = 0.02627
0
0.5
1
45000 55000 65000 75000 85000
Gen
der
Salary ($)
Gender vs. Salary
Years Exp.
Yrs. Educa.on
Supervisor Exp. Performance Female MBA Salary
Salary Last Job
How Much Asked For Ambi.on
Salary 0.58 0.55 0.58 0.59 0.52 0.57 1 0.85 0.9 0.75
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54!
How Do We Make Sense Out of Data? Transition from Multi-Colinearity Analysis…
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55!
How Do We Make Sense Out of Data? Transition from Multi-Colinearity Analysis…
Now that we see a correlation, does this mean causation?
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56!
How Do We Make Sense Out of Data? Linear Regression
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57!
How Do We Make Sense Out of Data? Linear Regression
Fit the Pieces
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58!
How Do We Make Sense Out of Data? Linear Regression
Ask a basic question:
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59!
How Do We Make Sense Out of Data? Linear Regression
Ask a basic question:
Does Gender and/or education effect salary?
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60!
How Do We Make Sense Out of Data? Linear Regression
Ask a basic question:
Null Hypothesis = Ho = Mm – Mf = 0
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61!
How Do We Make Sense Out of Data? Linear Regression
Ask a basic question:
Null Hypothesis = Ho = Mm – Mf = 0
Alternate Hypothesis = Ha = Mm – Mf > 0 (Men make higher salaries).
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62!
How Do We Make Sense Out of Data? Linear Regression
Determine T_critical – The maximum threshold disproving Ho.
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63!
How Do We Make Sense Out of Data? Linear Regression
Determine T_critical – The maximum threshold disproving Ho.
df (Degrees of Freedom) = N – 2 = 41 – 2 = 39
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64!
How Do We Make Sense Out of Data? Linear Regression
To decide: α = Alpha = Margin of error = 5% (95% certainty)
df (Degrees of Freedom) = N – 2 = 41 – 2 = 39
Determine T_critical – The maximum threshold disproving Ho.
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65!
How Do We Make Sense Out of Data? Linear Regression
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66!
How Do We Make Sense Out of Data? Linear Regression
T_critical = 1.7
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67!
How Do We Make Sense Out of Data? Linear Regression Calculate T_actual – difference between the two means
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68!
How Do We Make Sense Out of Data? Linear Regression Calculate T_actual – difference between the two means
T _ actual = (Xm− Xf )− (Mm−Mf )Sm2 (Nm−1)+ Sf 2 (Nf −1)
Nm+ Nf − 21Nm
+1Nf
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69!
How Do We Make Sense Out of Data? Linear Regression Calculate T_actual – difference between the two means
T_actual = 1.47
T _ actual = (Xm− Xf )− (Mm−Mf )Sm2 (Nm−1)+ Sf 2 (Nf −1)
Nm+ Nf − 21Nm
+1Nf
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70!
How Do We Make Sense Out of Data? Linear Regression
If Tactual is < Tcritical, reject the Null Hypothesis.
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71!
How Do We Make Sense Out of Data? Linear Regression
If Tactual is < Tcritical, reject the Null Hypothesis.
1.47 < 1.7
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72!
How Do We Make Sense Out of Data?
If Tactual is < Tcritical, reject the Null Hypothesis.
1.47 < 1.7
In this case, evidence shows women in management make less than male counterparts.
Linear Regression
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73!
How Do We Make Sense Out of Data?
Is there a margin of error?
Linear Regression
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74!
How Do We Make Sense Out of Data?
Confidence Interval Test: (Xm− Xf )− (tα /2 *γ ) ≤ µ1 −µ2 ≤ (Xm− Xf )+ (tα /2 *γ )
Is there a margin of error?
Linear Regression
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75!
How Do We Make Sense Out of Data?
Confidence Interval Test: (Xm− Xf )− (tα /2 *γ ) ≤ µ1 −µ2 ≤ (Xm− Xf )+ (tα /2 *γ )
Where:
γ =Sm2 (Nm−1)+ Sf 2 (Nf −1)
Nm+ Nf − 21Nm
+1Nf
Linear Regression
Is there a margin of error?
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76!
How Do We Make Sense Out of Data?
γ = 1933 and Tα/2 = 2.0
Is there a margin of error?
Linear Regression
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77!
How Do We Make Sense Out of Data?
γ = 1933 and Tα/2 = 2.0
Therefore: -$1,020 ≤ Mm – Mf ≤ $6,712
Linear Regression
Is there a margin of error?
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78!
How Do We Make Sense Out of Data?
Is there a margin of error?
Linear Regression
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79!
How Do We Make Sense Out of Data?
Men could be making anywhere between $1,020 less, or $6,712 more than women.
Linear Regression
Is there a margin of error?
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80!
How Do We Make Sense Out of Data?
What if I wanted to know more…what else affects pay?
Linear Regression
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81!
How Do We Make Sense Out of Data? Linear Regression
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82!
How Do We Make Sense Out of Data? Linear Regression
What if I wanted to dig even more…do education and MBA affect pay?
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83!
How Do We Make Sense Out of Data? Linear Regression
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84!
How Do We Make Sense Out of Data? Linear Regression
What if I wanted to specify groups to target?
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85!
How Do We Make Sense Out of Data? Linear Regression
What if I wanted to specify groups to target?
Don’t worry, we can use math for that too!
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86!
How Do We Make Sense Out of Data? Transition from Linear Regression…
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87!
How Do We Make Sense Out of Data? Transition from Linear Regression…
We have lots of equations and linear regressions. What do we do with them?
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88!
How Do We Make Sense Out of Data? Cluster Analysis
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89!
How Do We Make Sense Out of Data?
Group the Knowledge
Cluster Analysis
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90!
How Do We Make Sense Out of Data?
What kind of story can I tell about these clusters?
Cluster Analysis
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91!
How Do We Make Sense Out of Data?
Discriminant Variable Cluster 1 Gender 1.406 Age 20-‐35 Educa.on (Years) 16-‐20
HH Income $40,000 -‐ $65,000 No. of Children 0-‐2 Conserva.ve? 0.275 Liberal? 0.801 Fun Loving? 0.622 Cu\ng Edge? 0.717 Family Oriented? 0.087 Trendy? 0.645
What kind of story can I tell about these clusters?
Cluster Analysis
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92!
How Do We Make Sense Out of Data?
Discriminant Variable Cluster 2 Gender 1.404 Age 36-‐45 Educa.on (Years) 16-‐20
HH Income $66,000 -‐ $90,000 No. of Children 2-‐4 Conserva.ve? 0.769 Liberal? 0.322 Fun Loving? 0.565 Cu\ng Edge? 0.529 Family Oriented? 0.553 Trendy? 0.594
What kind of story can I tell about these clusters?
Cluster Analysis
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93!
How Do We Make Sense Out of Data?
Discriminant Variable Cluster 3 Gender 1.102 Age 46-‐60 Educa.on (Years) 12
HH Income $40,000 -‐ $65,000 No. of Children 4-‐6 Conserva.ve? 0.822 Liberal? 0.294 Fun Loving? 0.443 Cu\ng Edge? 0.327 Family Oriented? 0.822 Trendy? 0.293
What kind of story can I tell about these clusters?
Cluster Analysis
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94!
How Do We Make Sense Out of Data?
Left brain…Meet the right brain!
What kind of story can I tell about these clusters?
Cluster Analysis
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95!
How Do We Make Sense Out of Data?
Not all predictions will be correct.
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96!
How Do We Make Sense Out of Data?
Not all predictions will be correct.
“The Denver Broncos defeated the Seattle Seahawks 31-28 in the official EA SPORTS prediction of Super Bowl XLVIII”.
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97!
Can We Predict Future Behavior at Moz?
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98!
Can We Predict Future Behavior at Moz?
How can we better help our customers?
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99!
Can We Predict Future Behavior at Moz?
How can we better help our customers? Signs of churn?
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100!
Can We Predict Future Behavior at Moz?
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101!
Can We Predict Future Behavior at Moz?
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102!
Can We Predict Future Behavior at Moz?
Matt Peters, Moz Data Scientist Alyson Murphy, Senior Data Analyst Nick Sayers, Dir. of Customer Success and Support
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103!
Can We Predict Future Behavior at Moz?
Proactively engaging Free Trialers (via chat and e-mail).
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104!
Can We Predict Future Behavior at Moz?
Proactively engaging Free Trialers (via chat and e-mail).
Increasing vesting rate by 6.63%!
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105!
Can We Predict Future Behavior at Moz?
Proactively engaging Free Trialers (via chat and e-mail).
Increasing vesting rate by 6.63%!
What actions or activities should we encourage customers to do?
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106!
Can We Predict Future Behavior at Moz?
Free Trials longer than 1 month vest at a lower rate
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107!
Can We Predict Future Behavior at Moz?
Prior Pro members vest at nearly TWICE the rate as first time customers. We should streamline their re-entry process.
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108!
Can We Predict Future Behavior at Moz?
Community members vest at a higher rate.
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109!
Can We Predict Future Behavior at Moz?
Users are most engaged during the first few days of their trial.
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110!
Can We Predict Future Behavior at Moz?
Usage of MA and OSE drops to less then a few clicks / user after 10 days.
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111!
Can We Predict Future Behavior at Moz?
Most campaigns are created during the first two days.
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112!
Can We Predict Future Behavior at Moz?
Setting up a campaign is essential to vesting rate.
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113!
Can We Predict Future Behavior at Moz?
What else should we look at?
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114!
Customer Value and TAGFEE Culture
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115!
Customer Value and TAGFEE Culture
We should also make sure:
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116!
Customer Value and TAGFEE Culture
We should also make sure: - The customer experience is personalized.
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117!
Customer Value and TAGFEE Culture
We should also make sure: - The customer experience is personalized. - Realize not everyone will want to be chatted!
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118!
Customer Value and TAGFEE Culture
We should also make sure: - The customer experience is personalized. - Realize not everyone will want to be chatted!
- Customers realize the full value of Moz.
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119!
Customer Value and TAGFEE Culture
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120!
Customer Value and TAGFEE Culture
Transparent
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121!
Customer Value and TAGFEE Culture
Transparent Authentic
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122!
Customer Value and TAGFEE Culture
Transparent Authentic Generous
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123!
Customer Value and TAGFEE Culture
Transparent Authentic Generous Fun
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124!
Customer Value and TAGFEE Culture
Transparent Authentic Generous Fun Empathetic
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125!
Customer Value and TAGFEE Culture
Transparent Authentic Generous Fun Empathetic Exceptional
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126!
Conclusion:
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127!
Conclusion:
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128!
Conclusion:
Compare/Contrast
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129!
Conclusion:
Fit the Pieces Compare/Contrast
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130!
Conclusion:
Group the Knowledge Fit the Pieces Compare/Contrast
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131!
Conclusion: Subscribers are not just another customer!
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132!
Conclusion: Subscribers are not just another customer! Our help team answers all questions, one by one!
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133!
Conclusion: Subscribers are not just another customer! Our help team answers all questions, one by one! Founder, and CEO, interact with subscribers regularly
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134!
Conclusion: Subscribers are not just another customer! Our help team answers all questions, one by one! Founder, and CEO, interact with subscribers regularly Moz Community!
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135!
Conclusion: Subscribers are not just another customer! Our help team answers all questions, one by one! Founder, and CEO, interact with subscribers regularly Moz Community!
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136!
Homework! Dig through your data!
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137!
Homework! Dig through your data! Are there metrics you can relate to each other?
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138!
Homework! Dig through your data! Are there metrics you can relate to each other? What factors make up revenue (or a key metric) in your businesses?...hypothesis test, fit them together!
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139!
Homework! Dig through your data! Are there metrics you can relate to each other? What factors make up revenue (or a key metric) in your businesses?...hypothesis test, fit them together! Have you segmented your customers? What groups do they represent?
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140!
Homework! Dig through your data! Are there metrics you can tie revenue to? What factors make up revenue in your businesses?...fit them together! Have you segmented your customers? What groups do they represent? Make mistakes!
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Thanks for Watching! LinkedIn: Beck Nadir
Twitter: @annalesparrales 141!
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142!
Calculator picture, page 6 http://pixabay.com/en/calculator-calculation-insurance-385506/ Caring picture, page 7 http://pixabay.com/en/care-feeling-female-couple-give-20185/ Ciarelli, Nicholas (2010, April 6). How Visa Predicts Divorce. Retrieved March 24, 2013, from: www.dailybeast.com.
http://www.thedailybeast.com/articles/2010/04/06/how-mastercard-predicts-divorce.html Denver Broncos prediction, page 95: http://www.easports.com/madden-nfl/news/2014/super-bowl-48-prediction Hill, Kashmir (2012, February 16). How Target Figured Out a Teen Girl was Pregnant Before Her Father Did. Retrieved March
25, 2013, from: www.forbes.com. http://www.forbes.com/sites/kashmirhill/2012/02/16/how-target-figured-out-a-teen-girl-was-pregnant-before-her-father-did/
Adobe Omniture Site Catalyst Example Provided by: https://help.optimizely.com/hc/en-us/articles/200039985-Integrating-Optimizely-with-Adobe-Analytics-Omniture-SiteCatalyst-
Retail Dashboard Example Provided by: http://www.dashboardinsight.com/dashboards/live-dashboards/financial-operations-dashboard-dundas.aspx
References
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Compare contrast picture, pages 37, 43, 44, 45, 49, 127, 128, 129 http://en.wikipedia.org/wiki/Apples_and_oranges Database picture, page 15 http://pixabay.com/en/database-data-storage-cylinder-149760/ Hadoop logo, page 13,125 http://commons.wikimedia.org/wiki/File:Apache_Hadoop_Elephant.jpg SQL Server: 13, 125 http://commons.wikimedia.org/wiki/File:Sql-server-ce-4-logo.png Tetris picture, page 39, 44, 45, 56, 128, 129 http://commons.wikimedia.org/wiki/File:Tetrominoes_IJLO_STZ_Worlds.svg Nerd picture, page 4, 5 http://pixabay.com/en/nerd-scientist-chemist-physicist-155841/ Tool picture, page 8 http://pixabay.com/en/tool-pliers-screwdriver-145375/ Math formula picture, page 9 http://pixabay.com/en/math-function-symbol-icon-27248/
References
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Question Mark Picture, page 10, 11 http://commons.wikimedia.org/wiki/File:Red_question_mark.png Multiple Question Marks, page 26-29 http://pixabay.com/fr/point-d-interrogation-questions-63979/ James Bond Scene, page 30 http://www.youtube.com/watch?v=l5C7LMOWyYc Overwhelmed Picture, page 34 http://pixabay.com/en/mimic-panic-scratch-woman-person-156928/ Group Picture, page 41, 45, 88, 129 http://pixabay.com/en/queue-communal-community-group-154925/ Crystal Ball Picture, page 101, 102, 103, 104 http://pixabay.com/en/crystal-ball-glass-globe-glass-ball-32381/ Dashboard Example Picture, page 14, 126 http://commons.wikimedia.org/wiki/File:Well_Organized_Dashboard_Example.jpg Omniture Logo Picture, page 14, 126 http://commons.wikimedia.org/wiki/File:Omniture.png
References