# User contributions

- 07:24, 16 July 2018
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**(+758)** . . N Notational confusion of multivariable derivatives (Created page with "I think there's several different confusions that arise from multivariable derivative notation: * The thing where <math>\frac{\partial w}{\partial t}</math> can mean two diff...") - 04:52, 16 July 2018 (diff | hist) . . (+312) . . N Summary table of multivariable derivatives (Created page with "This page is a '''summary table of multivariable derivatives'''. ==Table== ==See also== * calculus:Relation between gradient vector and partial derivatives * calculus...")
- 03:25, 14 July 2018 (diff | hist) . . (+42) . . N Principle component analysis (Redirected page to Principal component analysis) (current)
- 03:24, 14 July 2018 (diff | hist) . . (+42) . . N PCA (Redirected page to Principal component analysis) (current)
- 22:40, 13 July 2018 (diff | hist) . . (+405) . . N Derivative of a quadratic form (Created page with "Let <math>A \in \mathcal M_{n,n}(\mathbf R)</math> be an <math>n</math> by <math>n</math> real-valued matrix, and let <math>f\colon \mathbf R^n \to \mathbf R</math> be defined...")
- 21:11, 11 July 2018 (diff | hist) . . (+168) . . N Principal component analysis (Created page with " ==Questions/things to explain== * Analogously to the covariance matrix one can define a correlation matrix. What happens if you run SVD on the correlation matrix?")
- 21:09, 11 July 2018 (diff | hist) . . (+297) . . N Covariance matrix (Created page with " ==Questions/things to explain== * The covariance matrix is a matrix, so it's a linear transformation. So what is the transformation? What does it do to vectors? * Some defin...") (current)
- 21:04, 11 July 2018
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**(+594)** . . N Covariance (Created page with "The covariance between two random variables <math>X</math> and <math>Y</math> is defined as <math>\operatorname{cov}(X,Y) = \mathrm E((X - \mathrm E(X))(Y - \mathrm E(Y)))</ma...") - 05:17, 8 July 2018 (diff | hist) . . (+45) . . N VC dimension (Redirected page to Vapnik–Chervonenkis dimension) (current)
- 05:17, 8 July 2018
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**(+764)** . . N Vapnik–Chervonenkis dimension (Created page with " just storing tabs here for now: * https://en.wikipedia.org/wiki/VC_dimension * https://www.quora.com/Explain-VC-dimension-and-shattering-in-lucid-Way * https://www.google.co...") - 21:53, 2 June 2018 (diff | hist) . . (+344) . . N Collider (Created page with "In causal graphs, a '''collider''' is a node along a path where both directed edges of the node point to the node. ==Examples== * In the path <math>X \to Y \to Z \leftarrow...")
- 21:33, 2 June 2018
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**(+758)** . . N Methods of discovering causal effects (Created page with "'''Methods of discovering causal effects''': basically, after observing or interacting with the environment, how can we discover what causes what? When are we justified to cla...") - 20:54, 2 June 2018
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**(+716)** . . N Reverse regression (Created page with "'''Reverse regression''' refers to a problem in statistical inference where a conclusion is reversed depending on the variable being adjusted. The example given by Pearl is t...") - 20:27, 2 June 2018 (diff | hist) . . (+434) . . N Do operator (Created page with "The '''''do'' operator''' is used in causal inference to denote an intervention. Given random variables <math>X,Y</math>, we write <math>\Pr(Y=y \mid \mathit{do}(X=x))</math>...")
- 20:05, 2 June 2018
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**(+934)** . . N Hunting for Simpson's paradox (Created page with "Even given that one understands Simpson's paradox, it would be nice to have some way to recognize that a new situation involves the paradox. In other words, given our hamm...") - 17:25, 2 June 2018
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**(+928)** . . N Back-door path (Created page with "A '''back-door path''' in a causal graph is an indirect path with an arrow into the treatment variable. Formally, given a graph with nodes including <math>X</math> (treat...") - 17:00, 2 June 2018 (diff | hist) . . (+335) . . N Creation of causal graphs (Created page with "'''Creation of causal graphs'''; in other words, how are causal graphs created? Where do they come from? In all the examples I have seen, causal graphs are presented to the r...")
- 16:57, 2 June 2018
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**(+576)** . . N Causal inference (Created page with "'''Causal inference''' has to do with inferring causes of phenomena rather than just finding correlations. ==Is this even machine learning?== "It's probably obvious I think...") (current) - 01:04, 24 March 2018
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**(+625)** . . N Backpropagation (Created page with "'''Backpropagation''' has several related meanings when talking about neural networks. Here we mean the process of finding the gradient of a cost function. ==Terminology...") - 06:50, 1 January 2018 (diff | hist) . . (+340) . . N Probability (Created page with "Knowledge of probability is useful for machine learning, especially for machine learning theory/statistical learning theory. This wiki covers some aspects of probability (espe...") (current)
- 06:27, 1 January 2018 (diff | hist) . . (+133) . . N Summary table of probability terms (Created page with "'''Summary table of probability terms''' ==Table== ==See also== * Comparison of machine learning textbooks ==External links==")
- 04:18, 27 December 2017 (diff | hist) . . (+219) . . N Comparison of machine learning textbooks (Created page with "This page is a comparison of machine learning textbooks. {| class="sortable wikitable" ! Title !! Author !! Length !! Prerequisites !! Recommendations |} ==See also== ==Ref...")
- 01:06, 9 May 2016 (diff | hist) . . (+49) . . N User:IssaRice (Created page with "I am Issa Rice. [http://issarice.com My website].")