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David An
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How to calculate LTV of a mobile App - easily and quickly
Step 1 Start with
rough data Day 1
Retention 32% Day 30
Retention 11% Step 2 Add diagram Step 3 Add
trendline Step 4 Add formula
and adjust for “potential” Use
resulting formula for calculating each day from day 1 to day 180 (for instance). Of course you ca...
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List of Management Theories
This is a list of academic management theories which I find worth mentioning. (work in progress) Strategy Porter 5 Forces  BCG Matrix  Cost vs. Value Leadership  Resource-based view of the firm  Dynamic Capabilities  Management Theories  Scientific Manageme...
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reflective vs. formative models
Reflective Model  Items <-- Construct  e.g.  Construct: Drunkeness  - uncoordinated walking  - glossy eyes  - vomiting  (items are related)  Formative  Model  Items --> Construct  - Beer 10 liter  - Vodka 1 liter - Wine 1 liter  (unrelated ) 
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t-Value, p-value, r-value
t-value  what is the probability that our samples are from the same population . You basically compare the means of two or more samples r-value  Pearson Correlation Coefficient r = .3 (medium effect). 9% of variance between variables is explained r = .5 (st...
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Cycle time, Velocity, Lead time
In Scrum, velocity is pretty much the same as cycle time . Velocity measures what a development team is able to deliver in terms of developed product backlog items. From this blog https://leanandkanban.wordpress.com/2009/04/18/lead-time-vs-cycle-time/ I got...
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Photos from Bongeunsa Temple in Seoul
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Which KPI's should I focus on after a mobile app launch ?
These are some additional thoughts around the question: What are the KPI's that I should take a look at after launching a mobile app (free-to-play in particular. btw, see article below on " Key Metrics for App Monetization ." and " Healthy Retention Rates "...
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