\( \newcommand\egaldef{\stackrel{\tiny def}{=}} \newcommand{\ep}{\varepsilon} \newcommand{\Zset}{\mathbb{Z}} \newcommand{\Nset}{\mathbb{N}} \newcommand{\Rset}{\mathbb{R}} \newcommand{\Cset}{\mathbb{C}} \newcommand{\CN}{\mathcal{N}} \newcommand{\F}{\mathbb{F}} \newcommand{\E}{\mathbb{E}} \newcommand{\EE}[1]{\E\left[#1\right]} \newcommand{\PCond}[2]{\PP\left[#1\middle| #2\right]} \newcommand{\ECond}[2]{\E\left[#1\middle| #2\right]} \newcommand{\PP}{\mathbb{P}} \newcommand{\CF}{\mathcal{F}} \newcommand{\CG}{\mathcal{G}} \newcommand{\CP}{\mathcal{P}} \newcommand{\CC}{\mathcal{C}} \newcommand{\CD}{\mathcal{D}} \newcommand{\CO}{\mathcal{O}} \newcommand{\CL}{\mathcal{L}} \newcommand{\CA}{\mathcal{A}} \newcommand{\CT}{\mathcal{T}} \newcommand{\CW}{\mathcal{W}} \newcommand{\CS}{\mathcal{S}} \newcommand{\CH}{\mathcal{H}} \newcommand{\CB}{\mathcal{B}} \newcommand{\CM}{\mathcal{M}} \renewcommand{\S}[1]{\ensuremath{S\textsc{\lowercase{#1}}}} \newcommand{\btheta}{\boldsymbol{\theta}} \newcommand{\limite}[2]{\mathop{\longrightarrow} \limits_{\mathrm{#1}}^{\mathrm{#2}}} \newcommand{\limiteloi}[2]{\mathop{\rightsquigarrow} \limits_{\mathrm{#1}}^{\mathrm{#2}}} \newcommand\1{\mathbb{1}} \newcommand\ind[1]{\1_{\{#1\}}} \newcommand\muDisc{\mu_{d}} \newcommand\muDiff{\mu_c} \newcommand{\lpref}{\overleftarrow{\rm pref}} \newcommand{\petitlpref}{\overleftarrow{\rm pref}} \newcommand\idt{\mathbf{I}_H} \newcommand\stp[1]{U_{#1}} \newcommand\ie{\emph{i.e.}} \newcommand\argmin{\mathbf{argmin}} \newcommand\scal[1]{\left\langle #1 \right\rangle} \newcommand\nrm[1]{\left\| #1 \right\|} % \newcommand\abs[1]{\left| #1 \right|} % \DeclareMathOperator{\cv}{\limite{n \to \infty}{}} \DeclareMathOperator{\cvp}{\limite{n \to \infty}{P}} \DeclareMathOperator{\cvl}{\limite{n \to \infty}{\CL}} \DeclareMathOperator{\cvloi}{\limiteloi{n \to \infty}{\CL}} \DeclareMathOperator{\cvmq}{\limite{n \to \infty}{\convLp_2}} \DeclareMathOperator{\trace}{Tr} \newcommand\Rlogo{\protect\includegraphics[height=1.8ex,keepaspectratio]{Rlogo.pdf}} \DeclareMathOperator{\diag}{diag} \DeclareMathOperator{\tr}{tr} \DeclareMathOperator{\dilog}{Li} \DeclareMathOperator{\var}{var} \newcommand\bbox{\hfill\rule{2mm}{2mm}} \newcommand\ordPart[1]{\mathop{\rm \sum _{#1}\uparrow}\nolimits} \DeclareMathOperator{\Hess}{Hess} \newcommand\lUn{L^1} \newcommand\lDeux{L^2} \newcommand\Zbar{\overline{Z}} \newcommand\Tbar{\overline{T}} \newcommand\wass[1]{\mathcal{W}_2\left(#1\right)} \newcommand\law{\mathcal{L}} \newcommand\cstHolder{C_3} \newcommand\cstWass{C_4} \newcommand\cstMoment{C_6} \newcommand\assm[1]{\textbf{A#1}} \newcommand\lmin{\lambda_{min}} \newcommand\cG{c_\gamma} \newcommand\covLimite{\Sigma} \)