Class Notes (834,555)
Canada (508,597)
York University (35,156)
Biology (2,227)
BIOL 2060 (84)
Lecture

chap 13 textbook.docx

2 Pages
174 Views
Unlock Document

Department
Biology
Course
BIOL 2060
Professor
Joel Shore
Semester
Fall

Description
Handling violations of assumptions 13.1 detecting deviations from normality  Normal quantile plot: compares each observation in the sample with its quantile expected from the standard normal distribution. Points should fall roughly along a straight line if the data come from a normal distribution.  Shapiro-wilk test: evaluates the goodness of fit of a normal distribution to a set of data randomly sampled from a population 13.2 when to ignore violations of assumptions  Robust: a statistical procedure is robust if the answer it gives is not sensitive to violations of the assumptions of the method 13.3 data transformations  Data transformation: changes each measurement by the same mathematical formula  Log transformation: most common data transformation, natural ln  Arcsine transformation: only on data that are proportions  Square-root transformation: used when the data are counts  Square
More Less

Related notes for BIOL 2060

Log In


OR

Join OneClass

Access over 10 million pages of study
documents for 1.3 million courses.

Sign up

Join to view


OR

By registering, I agree to the Terms and Privacy Policies
Already have an account?
Just a few more details

So we can recommend you notes for your school.

Reset Password

Please enter below the email address you registered with and we will send you a link to reset your password.

Add your courses

Get notes from the top students in your class.


Submit