Piment Noir Wiki https://www.wiki.piment-noir.org/ Tue, 14 Apr 2026 05:24:56 +0000 FeedCreator 1.8 https://www.wiki.piment-noir.org/lib/exe/fetch.php/logo.png https://www.wiki.piment-noir.org/ https://www.wiki.piment-noir.org/doku.php/en:cs:k-nn_multiple_imputation?rev=1716816863&do=diff Definitions * $A$ and $B$ two sets, $g: A \longrightarrow B$ a function: * $g$ is injective $\iff \forall x, y \in A, f(x) =_{B} f(y) \implies x =_{A} y$ * $g$ is surjective $\iff \forall y \in B, \exists x \in A, y =_{B} f(x)$ * $g$ is bijective $\iff g$ is injective and surjective $\iff \forall y \in B, \exists! x \in A, y =_{B} f(x) \iff \exists g^{-1}: B \longrightarrow A, g \circ g^{-1} = id_A \land g^{-1} \circ g = id_B$ * Subset $g$ image : $A^{\prime} \subset A, g(A^{\pr… fraggle@undisclosed.example.com (fraggle) Mon, 27 May 2024 13:34:23 +0000 https://www.wiki.piment-noir.org/doku.php/?image=en%3Acs%3As2dl5.jpg&ns=en%3Acs&rev=1518378004&tab_details=history&media_do=diff&do=media <img src="https://www.wiki.piment-noir.org/lib/exe/fetch.php/en:cs:s2dl5.jpg?w=500&amp;h=500&amp;tok=185997" alt="s2dl5.jpg" loading="lazy" width="500" height="500" /> fraggle@undisclosed.example.com (fraggle) Sun, 11 Feb 2018 19:40:04 +0000 https://www.wiki.piment-noir.org/doku.php/?image=en%3Acs%3Aqcr.png&ns=en%3Acs&rev=1518376664&tab_details=history&media_do=diff&do=media <img src="https://www.wiki.piment-noir.org/lib/exe/fetch.php/en:cs:qcr.png?w=500&amp;h=500&amp;tok=2416e5" alt="qcr.png" loading="lazy" width="500" height="500" /> fraggle@undisclosed.example.com (fraggle) Sun, 11 Feb 2018 19:17:44 +0000 https://www.wiki.piment-noir.org/doku.php/?image=en%3Acs%3Aic_framework.png&ns=en%3Acs&rev=1518370909&tab_details=history&media_do=diff&do=media <img src="https://www.wiki.piment-noir.org/lib/exe/fetch.php/en:cs:ic_framework.png?w=500&amp;h=500&amp;tok=a08b8b" alt="ic_framework.png" loading="lazy" width="500" height="500" /> fraggle@undisclosed.example.com (fraggle) Sun, 11 Feb 2018 17:41:49 +0000 https://www.wiki.piment-noir.org/doku.php/?image=en%3Acs%3Aq_house_small.jpg&ns=en%3Acs&rev=1518370514&tab_details=history&media_do=diff&do=media <img src="https://www.wiki.piment-noir.org/lib/exe/fetch.php/en:cs:q_house_small.jpg?w=500&amp;h=500&amp;tok=d8206a" alt="q_house_small.jpg" loading="lazy" width="500" height="500" /> fraggle@undisclosed.example.com (fraggle) Sun, 11 Feb 2018 17:35:14 +0000 https://www.wiki.piment-noir.org/doku.php/?image=en%3Acs%3Aqgoal.jpg&ns=en%3Acs&rev=1518368312&tab_details=history&media_do=diff&do=media <img src="https://www.wiki.piment-noir.org/lib/exe/fetch.php/en:cs:qgoal.jpg?w=500&amp;h=500&amp;tok=e2c2d2" alt="qgoal.jpg" loading="lazy" width="500" height="500" /> fraggle@undisclosed.example.com (fraggle) Sun, 11 Feb 2018 16:58:32 +0000