After a few biostatistics classes, I began fitting my first logistic regression model using my physician friend’s data on tumors excised from skin cancer patients. I realized that although we were very clear about the dependent variable we were trying to predict – a certain feature of the tumor – I really did not know how to pick the independent…
ContinueAdded by Monika Wahi on November 14, 2020 at 10:30am — 1 Comment
The importance of completeness of linear regressions is an often-discussed issue. By leaving out relevant variables the coefficients might be inconsistent.
But why on earth?!
Assuming a linear complete model of the form:
z = a + bx + cy + ε.
Where z is supposed to be dependent, x and y are independent and ε is the error term.
Now we drop y to check…
ContinueAdded by Frank Raulf on November 13, 2019 at 2:00am — No Comments
Hi All;
suppose I am working on Job Satisfaction. I have a question Hours worked each week ________
and the possible values are
(1) Extremely Dissatisfied
(2) Dissatisfied
(3)Somewhat satisfied
(4) Satisfied
(5) Extremely satisfied
Should I treat this variable ordinal or scale?
Added by Abdul Samad on November 18, 2015 at 10:43pm — No Comments
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