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0 votes
1 answer
113 views

Nonparametric Regression

Suppose I have response y, continuous independent variable x and binary variable z. ...
user149054's user avatar
0 votes
0 answers
51 views

Simple method to estimate $\sigma^2$ from i.i.d. samples of $y_i \sim N(\theta_i, \sigma^2)$

This is a normal means model: given $N$ i.i.d $y_i \sim N(\theta_i, \sigma^2)$ or equivalently $$ y_i = \theta_i + \varepsilon_i\, \text{ where }\varepsilon_i \text{ are i.i.d } \sim N(0, \sigma^2)...
them's user avatar
  • 702
2 votes
1 answer
3k views

Local polynomial regression with Epanechnikov kernel

I am trying to do local polynomial regression in R. The model I wish to fit has a single explanatory variable and a single response, it should have a bandwidth of 5, and a polynomial degree of 3. I ...
Repmat's user avatar
  • 3,592
3 votes
0 answers
2k views

parametric bootstrap on regression

I keep trying to perform parametric bootstrap on simple regression analysis to grasp the concept. The internet is full of tutorials on non-parametric one, but I found no explanation or steps ...
Lil'Lobster's user avatar
  • 1,478