What is the actual number of independent parameters which need to be estimated in P dimensional Gaussian distribution model?
A. p
B. 2p
C. $$\frac{{{\text{p}}\left( {{\text{p}} + 1} \right)}}{2}$$
D. $$\frac{{{\text{p}}\left( {{\text{p}} + 3} \right)}}{2}$$
Answer: Option D

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