From 5e298cd5b653bcb31b6f9fedcb7f75e800c2dc98 Mon Sep 17 00:00:00 2001 From: Arnaud Legrand Date: Mon, 24 Sep 2018 09:06:34 +0200 Subject: [PATCH] Typo-- --- src/Python3/challenger.ipynb | 2 +- src/R/challenger.Rmd | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/src/Python3/challenger.ipynb b/src/Python3/challenger.ipynb index 7ad065e..5562e29 100644 --- a/src/Python3/challenger.ipynb +++ b/src/Python3/challenger.ipynb @@ -577,7 +577,7 @@ "metadata": {}, "source": [ "The maximum likelyhood estimator of the intercept and of Temperature are thus $\\hat{\\alpha}=5.0849$ and $\\hat{\\beta}=-0.1156$. This **corresponds** to the values from the article of Dalal et al. The standard errors are $s_{\\hat{\\alpha}} = 7.477$ and $s_{\\hat{\\beta}} = 0.115$, which is **different** from the $3.052$ and $0.04702$ reported by Dallal et al. The deviance is $3.01444$ with 21 degrees of freedom. I cannot find any value similar to the Goodness of fit ($G^2=18.086$) reported by Dalal et al.\n", - "**I have therefore managed to partially replicate the results of the Dalal et. al. article**." + "**I have therefore managed to partially replicate the results of the Dalal et al. article**." ] }, { diff --git a/src/R/challenger.Rmd b/src/R/challenger.Rmd index 751735a..49be3ee 100644 --- a/src/R/challenger.Rmd +++ b/src/R/challenger.Rmd @@ -47,7 +47,7 @@ logistic_reg = glm(data=data, Malfunction/Count ~ Temperature, weights=Count, summary(logistic_reg) ``` -The maximum likelyhood estimator of the intercept and of Temperature are thus $\hat{\alpha}=5.0849$ and $\hat{\beta}=-0.1156$ and their standard errors are $s_{\hat{\alpha}} = 3.052$ and $s_{\hat{\beta}} = 0.04702$. The Residual deviance corresponds to the Goodness of fit $G^2=18.086$ with 21 degrees of freedom. **I have therefore managed to replicate the results of the Dalal et. al. article**. +The maximum likelyhood estimator of the intercept and of Temperature are thus $\hat{\alpha}=5.0849$ and $\hat{\beta}=-0.1156$ and their standard errors are $s_{\hat{\alpha}} = 3.052$ and $s_{\hat{\beta}} = 0.04702$. The Residual deviance corresponds to the Goodness of fit $G^2=18.086$ with 21 degrees of freedom. **I have therefore managed to replicate the results of the Dalal et al. article**. # Predicting failure probability The temperature when launching the shuttle was 31°F. Let's try to -- 2.18.1