Show that both coefficients are identical

Assignment Help Mathematics

Reference no: EM131045247

Suppose we run a ridge regression with parameter λ on a single variable X, and get coefficient a. We now include an exact copy X∗ = X, and refit our ridge regression. Show that both coefficients are identical, and derive their value. Show in general that if m copies of a variable Xj are included in a ridge regression, their coefficients are all the same.

Reference no: EM131045247

Questions Cloud

Was there a reasonable economic basis for the termination : Was there a reasonable economic basis for the termination of the ten disabled workers (rather than the Valley State employees also working for CSG)?

Registered with the speedy employment agency : Anne, who was unemployed, registered with the Speedy Employment Agency. A contract was then made under which Anne, in consideration of such position as the Agency would obtain for her, agreed to pay the Agency one-half of her first month's salary.

What influence tactics have professors and other stakeholder : What influence tactics have professors and other stakeholders used to resist Hood's changes? Would you call any of these influence tactics "organizational politics"?

Smooth paving company struck and broke : The Smooth Paving Company entered into a paving contract with the city of Chicago. The contract contained the clause ‘‘contractor shall be liable for all damages to buildings resulting from the work performed.''

Show that both coefficients are identical : Show that both coefficients are identical, and derive their value. Show in general that if m copies of a variable Xj are included in a ridge regression, their coefficients are all the same.

Exactly one of the married couples : (a) How many possible committees can be formed? (b) Two of the men refuse to serve on the committee together. How many combinations can be formed with this restriction? (c) How many committees can be formed such that it contains both members of exact..

Which element is most difficult to determine recurring costs : which of these is the most difficult to ascertain early in the product life cycle? For which element is it the most difficult to determine the recurring costs?

Assigns his contract with euphonia to edmund : On December 1, Euphonia, a famous singer, contracted with Boito to sing at Boito's theater on December 31 for a fee of $25,000 to be paid immediately after the performance.

Confident in our findings and have : We want to be 95% confident in our findings and have a df of 5, what would our critical boundaries be if we were conducting a t test?

User Account

All Pages