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| -rw-r--r-- | proof.tex | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -27,6 +27,8 @@ \item set of $n$ users $\mathcal{N} = \{1,\ldots, n\}$ \item each user has a public vector of features $x_i\in\mathbf{R}^d$ and some undisclosed variable $y_i\in\mathbf{R}$ + \item we assume that the data has been normalized: $\forall + i\in\mathcal{N}$, $\norm{x_i}\leq 1$ \item \textbf{Ridge regression model:} \begin{itemize} \item $y_i = \beta^*x_i + \varepsilon_i$ |