The problem
of missing variables Janni Niclasen's study looks at the results of a large population study conducted between 1996 and 2002.
One
key missing variable is actual student behavior: researchers observe only the infraction as recorded by school personnel, who could exhibit bias in how they map behavior to infractions even if not in how infractions map to punishment.
Volatility (measured by standard deviation) is now my
only missing variable, so I calculate it using the following formula:
The argument is belied by comments
about missing variables such as this one from NASA that confirms the importance of soil moisture:
For example, one
missing variable that could account for much of the variation is that in America there's a strong history of public opinion (albiet not perfectly) translating into policy through democratic process, while in Egypt, average people have had incredible difficulty getting public opinion into policy and a protest was one of the tools that seemed to work.
Get the nutrition label fraction, Grams over Cals, and set up
a missing variable in your «desired grams» based on the number of calories you want your meal to be.
In «Carol,» there's
a missing variable in Carol and Therese's relationship.
There are a series of matching cards, the students have to match the correct scatter graph with
the missing variables.
@Eddy,
The missing variable here is torque requirement at the drive axle.
But I'm
missing a variable.
Missing a variable could cause recent tree ring variations to be misinterpreted and make recent measurements not comparable to all earlier measurements.
But then, wisdom and calm on these issues is
another missing variable.