PinnedFatih Emre Ozturk, MScUnsupervised Learning in R: Comparison of the methods to determine the optimal number of clusters…One of the most important decision-making processes in cluster analysis is to determine the optimal number of clusters. Different methods…16 min read·Apr 26, 2023--2--2
PinnedFatih Emre Ozturk, MScData Visualization with Base RData visualization can be defined as the use of graphical or pictorial representations to present data in a way that makes it easier to…19 min read·Feb 26, 2023----
Fatih Emre Ozturk, MScSupervised Learning in R: Support Vector MachinesAs you may remember, in the logistic regression post, we have a data that contains information about weights of cats and we tried to…4 min read·Jan 21, 2024----
Fatih Emre Ozturk, MScSupervised Learning in R: Random ForestIn the previous post we talked about Bagging. As a reminder and to familiarize ourselves with the basic idea behind Random Forest, let’s…5 min read·Dec 29, 2023----
Fatih Emre Ozturk, MScSupervised Learning in R: BaggingIn the previous post we talked about Regression Tree. As known, Regression Trees suffer from high variance. In other words, if we randomly…5 min read·Nov 14, 2023----
Fatih Emre Ozturk, MScSupervised Learning in R: Regression TreesRegression trees are a regression technique based on decision trees, which utilize a tree structure that uses data to predict a specific…6 min read·Oct 27, 2023----
Fatih Emre Ozturk, MScSupervised Learning in R: Logistic RegressionIn the previous posts ofsupervised learning in R series, we covered linear regression problems. We saw that linear regression models are…5 min read·Oct 2, 2023----
Fatih Emre Ozturk, MScCross Validation in RConsidering all observations in the dataset, it is an important question which observations will be used to train the machine learning…5 min read·Aug 18, 2023----
Fatih Emre Ozturk, MScSupervised Learning in R: Shrinkage MethodsOne of the most important problems in regression analysis is the selection of predictors in the model. The resoson behind this is we are…5 min read·Aug 7, 2023----
Fatih Emre Ozturk, MScHow to describe data in R?Data is the basic building block of information. Defining data makes information understandable and interpretable. Without defining data…5 min read·Jul 27, 2023----
