From 15204282926070d480c2996c508c26a122c51a62 Mon Sep 17 00:00:00 2001 From: Jianru D Date: Sat, 12 Dec 2020 21:16:11 -0800 Subject: [PATCH] proofreading --- doc/wine_quality_prediction_report.Rmd | 7 +- doc/wine_quality_prediction_report.html | 31 ++-- doc/wine_quality_prediction_report.md | 187 ++++++++++++------------ doc/wine_refs.bib | 2 +- 4 files changed, 113 insertions(+), 114 deletions(-) diff --git a/doc/wine_quality_prediction_report.Rmd b/doc/wine_quality_prediction_report.Rmd index 4513936..7796bc1 100644 --- a/doc/wine_quality_prediction_report.Rmd +++ b/doc/wine_quality_prediction_report.Rmd @@ -1,6 +1,9 @@ --- title: "Predicting Wine Quality Using Physicochemical Properties" + author: "Contributors: Jianru Deng, Yuyan Guo, Vignesh Lakshmi Rajakumar, Cameron Harris" + +date: December 12th, 2020 always_allow_html: true output: html_document: @@ -60,13 +63,13 @@ For this classification problem we determined that we could ignore class imbalan ## Preprocessing of Features -In this analysis there are eleven numeric features and one categorical feature. For this analysis, the numeric features were scaled using a standard scalar transformer, which involves removing the mean and scaling to unit variance ([\@sk-learn]). The categorical feature, wine type, only contained two values (red and white) and was treated as a binary feature. +In this analysis there are eleven numeric features and one categorical feature. For this analysis, the numeric features were scaled using a standard scalar transformer, which involves removing the mean and scaling to unit variance [@sk-learn]. The categorical feature, wine type, only contained two values (red and white) and was treated as a binary feature. ## Modelling and Cross Validation Scores All models were evaluated through five-fold cross validation on the training data set. Accuracy was used as the primary metric to evaluate model performance. For this classification problem, there is low consequence to a false negative or false positive classifications, therefore recall and precision are of low importance to us. Accuracy provides a simple, clear way to compare model performance. -$$ \\text{Accuracy} = \\frac{\\text{Number of correct predictions}}{\\text{Number of examples}} $$ The following models were evaluated to predict the wine quality label: +$$ \text{Accuracy} = \frac{\text{Number of correct predictions}}{\text{Number of examples}} $$ The following models were evaluated to predict the wine quality label: - Dummy classifier - Decision tree diff --git a/doc/wine_quality_prediction_report.html b/doc/wine_quality_prediction_report.html index 439ca92..c4e80df 100644 --- a/doc/wine_quality_prediction_report.html +++ b/doc/wine_quality_prediction_report.html @@ -34,7 +34,7 @@ return new Za.prototype.init(a,b,c,d,e)}m.Tween=Za,Za.prototype={constructor:Za,init:function(a,b,c,d,e,f){this.elem=a,this.prop=c,this.easing=e||"swing",this.options=b,this.start=this.now=this.cur(),this.end=d,this.unit=f||(m.cssNumber[c]?"":"px")},cur:function(){var a=Za.propHooks[this.prop];return 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