Decision Tree Learning
Machine Learning in GIS: Understand the Theory and Practice
This course is designed to equip you with the theoretical and practical knowledge of Machine Learning as applied for geospatial analysis, namely Geographic Information Systems (GIS) and Remote Sensing. By the end of the course, you will feel confident and completely understand the Machine Learning applications in GIS technology and how to use Machine Learning algorithms for various geospatial tasks, such as land use and land cover mapping (classifications) and object-based image analysis (segmentation). This course will also prepare you for using GIS with open source and free software tools. In the course, you will be able to apply such Machine Learning algorithms as Random Forest, Support Vector Machines and Decision Trees (and others) for classification of satellite imagery. On top of that, you will practice GIS by completing an entire GIS project by exploring the power of Machine Learning, cloud computing and Big Data analysis using Google Erath Engine for any geographic area in the world.
Sequential Feature Classification in the Context of Redundancies
Pfannschmidt, Lukas, Hammer, Barbara
The problem of all-relevant feature selection is concerned with finding a relevant feature set with preserved redundancies. There exist several approximations to solve this problem but only one could give a distinction between strong and weak relevance. This approach was limited to the case of linear problems. In this work, we present a new solution for this distinction in the non-linear case through the use of random forest models and statistical methods.
SAS and R Integration for Machine Learning
R first appeared in 1993 and has gained a steady and fiercely loyal fan base. But as data sets become both longer and wider, storage and processing speeds become an issue. Having spent weeks whipping an extremely wide and messy data set into shape using only R, I am so grateful for SAS Viya and not having to go through that again. SAS Viya is a cloud-enabled, in-memory analytics engine which allows for rapid analytics insights. SAS Viya utilizes the SAS Cloud Analytics Services (CAS) to perform various actions and tasks.
Machine Learning Advanced: Decision Trees in Python
Free Course - Machine Learning Advanced: Decision Trees in Python [2020] Use Decision Trees to solve business problems and build high accuracy prediction models in Python, Learn how to use decision trees to make predictions for business problems using python. Start with this advanced machine learning tutorial today! Instructor: Start Tes Enroll Now - Machine Learning Advanced: Decision Trees in Python About this Course The course is created on the basis of three pillars of learning: Know (Study) Do (Practice) Review (Self feedback) Know We have created a set of concise and comprehensive videos to teach you all the Excel related skills you will need in your professional career. Add To Cart - GET COUPON CODE Do With each lecture, we have provide a practice sheet to complement the learning in the lecture video. These sheets are carefully designed to further clarify the concepts and help you with implementing the concepts on practical problems faced on-the-job.
From unbiased MDI Feature Importance to Explainable AI for Trees
We attempt to give a unifying view of the various recent attempts to (i) improve the interpretability of tree-based models and (ii) debias the the default variable-importance measure in random Forests, Gini importance. In particular, we demonstrate a common thread among the out-of-bag based bias correction methods and their connection to local explanation for trees. In addition, we point out a bias caused by the inclusion of inbag data in the newly developed explainable AI for trees algorithms.
Interpretability: Cracking open the black box – Part II
In the last post in the series, we defined what interpretability is and looked at a few interpretable models and the quirks and'gotchas' in it. Now let's dig deeper into the post-hoc interpretation techniques which is useful when you model itself is not transparent. This resonates with most real world use cases, because whether we like it or not, we get better performance with a black box model. For this exercise, I have chosen the Adult dataset a.k.a Census Income dataset. Census Income is a pretty popular dataset which has demographic information like age, occupation, along with a column which tells us if the income of the particular person 50k or not. We are using this column to run a binary classification using Random Forest.
Build a Decision Tree in Minutes using Weka (No Coding Required!)
Machine learning can be intimidating for folks coming from a non-technical background. All machine learning jobs seem to require a healthy understanding of Python (or R). So how do non-programmers gain coding experience? Here's the good news – there are plenty of tools out there that let us perform machine learning tasks without having to code. You can easily build algorithms like decision trees from scratch in a beautiful graphical interface.
Build a Decision Tree in Minutes using Weka (No Coding Required!)
Machine learning can be intimidating for folks coming from a non-technical background. All machine learning jobs seem to require a healthy understanding of Python (or R). So how do non-programmers gain coding experience? Here's the good news – there are plenty of tools out there that let us perform machine learning tasks without having to code. You can easily build algorithms like decision trees from scratch in a beautiful graphical interface.
[-1,1]: Random Forests and Decision Trees * BioinformationX
Here we will build a Python(-ic/-esque) Random Forest. Since with python everything is made so easy that you can easily build very complex machines out from one or two libraries, it is better to delve into basic topics before dipping our nose into untameable beasts. Let us start from a single "decision tree" (a simple problem). After that we will extend our knowledge and learn to build a Random Forest and an application to a real problem. To warm up, we will start with a toy problem, with only two features and two classes.
Provably robust boosted decision stumps and trees against adversarial attacks
Andriushchenko, Maksym, Hein, Matthias
The problem of adversarial robustness has been studied extensively for neural networks. However, for boosted decision trees and decision stumps there are almost no results, even though they are widely used in practice (e.g. We show in this paper that for boosted decision stumps the \textit{exact} min-max robust loss and test error for an $l_\infty$-attack can be computed in $O(T\log T)$ time per input, where $T$ is the number of decision stumps and the optimal update step of the ensemble can be done in $O(n 2\,T\log T)$, where $n$ is the number of data points. For boosted trees we show how to efficiently calculate and optimize an upper bound on the robust loss, which leads to state-of-the-art robust test error for boosted trees on MNIST (12.5\% for $\epsilon_\infty 0.3$), FMNIST (23.2\% for $\epsilon_\infty 0.1$), and CIFAR-10 (74.7\% for $\epsilon_\infty 8/255$). Moreover, the robust test error rates we achieve are competitive to the ones of provably robust convolutional networks. Papers published at the Neural Information Processing Systems Conference.