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Step 5: Analysis of Causal Diary
Step 5: Analysis of Causal Diary
Farrokh Alemi Ph.D.
This research was funded by Grant RO1 HL 084767 from the National Heart Blood and Lung
Institute.
Step 5: Analysis of Causal Diaries
Step 5: Analysis of Causal Diaries
Continues from a previous section
Day Exercise Cause AConstraint
on ACause
BConstraint
on B …123456…14
Clean Data
Day Exercise Cause AConstraint
on ACause
BConstraint
on B …123456…14
Clean Data
Day Exercise Cause AConstraint
on ACause
BConstraint
on B …123456…14
Get More Data
Maximum Impact of a Cause
Day Exercise Cause AConstraint
on A123456…14
Making a Cause Unconstrained
Day 3
Day Exercise Cause AConstraint
on A123456…14
Making a Cause Unconstrained
Day Exercise Cause AConstraint
on A123456…14
Making a Cause Unconstrained
Day 14
Day Exercise Cause AConstraint
on A123456…14
Making a Cause Unconstrained
Day 14
Day Exercise
UnconstrainedCause A
123456…14
Reducing Universe of Possibilities
Day Exercise
UnconstrainedCause A
123456…14
Maximum Impact of a Cause
Minimum Impact of a Cause
Day Rain
Plan to commute with
bikePlan to
shower at gym Sleep earlyExercise
pattern kept1 1 1 0 0 02 0 0 1 1 13 0 0 1 1 04 0 1 1 0 15 1 1 1 0 16 1 1 0 0 07 0 0 0 0 08 0 0 1 0 19 0 0 0 0 0
10 1 1 0 1 111 0 0 0 0 012 0 0 1 0 113 1 0 1 0 114 0 1 0 0 1
1=Yes, 0=No
Example
Unconstrained CausesDay
Plan to commute with bike
Plan to shower at gym Sleep early
Exercise pattern kept
1 0 0 0 02 0 1 1 13 0 1 1 04 1 1 0 15 0 1 0 16 0 0 0 07 0 0 0 08 0 1 0 19 0 0 0 0
10 0 0 1 111 0 0 0 012 0 1 0 113 0 1 0 114 1 0 0 1
1=Yes, 0=No
Maximum Impact of Planning to Bike to
Work
DayPlan to commute
with bikePlan to shower
at gym Sleep earlyExercise
pattern kept4 1 1 0 1
14 1 0 0 1
Minimum Impact of Planning to Bike to
Work
DayPlan to commute
with bikePlan to shower
at gym Sleep earlyExercise
pattern kept4
14 1 0 0 1
Impact of Various Causes
Probability of Success Given the CauseMinimum Maximum
Plan to commute with bike 1 1Plan to shower at gym 0.80 0.86Sleep early 0.50 0.67
Lecture ContinuesLecture Continues
Step 6: Taking Action