Estimation bias - PowerPoint PPT Presentation

The impact of sampling and network topology on the estimation of social intercorrelations

The impact of sampling and network topology on the estimation of social intercorrelations. Kaibin He. Main idea. Network Topology. Sampling methods. Estimation of Social Intercorrelations. How to estimate intercorrelation ?. Spatial Model. independent variable dependent variable ,

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401 views • 28 slides

Regression Variance-Bias Trade-off

Regression Variance-Bias Trade-off. Regression. We need a regression function h(x ) We need a loss function L(h(x),y ) We have a true distribution p(x,y ) Assume a quadratic loss, then:. Note: y t ; h(x)y(x ). e stimation error. n oise error. Regression: Learning.

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256 views • 7 slides

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