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seen Oct 29 '13 at 0:36

Jul
22
comment Average wait time arriving at subway randomly
Phenomenal answer. Thank you.
Jul
19
comment Average wait time arriving at subway randomly
Thanks Henry. Could you point me in the right direction to learn about how to calculate the expected wait time in the exponential distribution example? Thanks!
Jul
19
asked Average wait time arriving at subway randomly
May
3
awarded  Nice Question
Mar
28
comment Why is the eigenvector of a covariance matrix equal to a principal component?
Phenomenal answer. Thank you.
Mar
28
accepted Why is the eigenvector of a covariance matrix equal to a principal component?
Feb
24
asked Why is the eigenvector of a covariance matrix equal to a principal component?
Feb
23
awarded  Scholar
Feb
23
awarded  Supporter
Feb
23
accepted What is the importance of eigenvalues/eigenvectors?
Feb
23
asked What is the importance of eigenvalues/eigenvectors?
Feb
8
awarded  Student
Feb
8
asked What is the characteristic formula for the addition of two lognormal distributions?
Feb
7
awarded  Teacher
Feb
7
answered Prove that if $\gcd( a, b ) = 1$ then $\gcd( ac, b ) = \gcd( c, b ) $