Ridge regression: Write some code which perform L2 regularization. That is, solve OLS with a constraint that the L2 norm of the betas is less than some threshold value. min β Xn i=1 e 2 i subject to Xr i=1 β 2 i ≤ T

What is domain name system (dns)? allows dynamic ip address allocation so users do not have to have a preconfigured ip address to use the network converts ip addresses into domains, or identifying labels that use a variety of recognizable naming conventions the efficient coexistence of telephone, video, and data communication within a single network, offering convenience and flexibility not possible with separate infrastructures the integration of communication channels into a single service