
Celebrate reaching the milestone in logistic regression in R Studio and stay motivated, using playback rate, subtitles, Q&A, AI assistant, and a certificate to support your learning.
Describe data graphically by constructing frequency distributions for qualitative and quantitative data, converting to bars and histograms, and recognizing grouped and ungrouped data, normal distribution, skewness, and uniformity.
Explore measures of center in data, including mean (population and sample), median, mode, and mid-range, and learn how data symmetry and outliers affect their use.
Explore measures of dispersion by examining range, standard deviation, and variance; learn how outliers influence range and how variance relates to standard deviation.
Install R and RStudio on your system using the Windows 64-bit installer, then write and run scripts in RStudio to view outputs.
Master the basics of R and R Studio: run commands ctrl+enter, comment #, assign <-, create vectors with c or 1:10, and manage workspace with ls and rm.
Learn to install and load packages in R, explore inbuilt and external packages like DG plot for graphing, and manage installation with install.packages, library, require, and detach.
learn how to input data in R with built-in datasets, manual entry, and CSV or text imports. examine iris dataset, its structure, and how to load it into the workspace.
Learn to input data manually in R Studio by assigning values, using the concatenation operator, the sequence function for multiples of five, and the scan function for one-by-one entry.
learn how to import product and customer data from tab-delimited and comma-separated text files into an R workspace using read.table and read.csv, including headers, file paths, and viewing data structure.
Learn to compute frequency distribution of a categorical region variable and create bar plots in R, including ordering, orientation, color, borders, titles, and exporting as images.
Learn to create histograms in R to explore age distributions by category, using breaks to set buckets, show frequencies, customize color and labels, and export the chart for presentations.
Explore how machine learning uses past data to predict and infer outcomes, distinguishing supervised and unsupervised learning, and contrasting parametric and non-parametric models with classification and regression applications.
Turn a business problem into a machine learning problem by identifying dependent and independent variables, cleaning data, splitting into training and testing sets, training, validating, and predicting.
Identify the business context, determine relevant variables, and gather required data via primary and secondary research, including stakeholder interviews with marketing and product teams exploring the online customer journey.
Identify the data you need, request internal and external data, and perform quality checks. Use channel and buying-path insights, with internal sales data and external sources, to study cart abandonment.
Learn how to prepare a real estate transaction dataset for analysis by building a data dictionary, defining independent variables, and coding the sold outcome as the dependent variable.
Import a dataset into R Studio by reading a file with read.csv into a data frame named div, using header=TRUE. Inspect str(div) to reveal 506 observations and 19 variables.
Perform univariate analysis by summarizing mean, median, mode, and dispersion (range, quartiles, standard deviation) for numeric data. Use the extended data dictionary with ADT to spot outliers and missing values.
Perform univariate analysis in R with box plots and bar plots to detect outliers and missing values. Compare mean and median, check quartiles, and flag bus terminal as useless.
Identify outliers with box plots, scatter plots, and histograms to protect model accuracy. Apply 99th percentile capping with a threefold multiplier, or use mean plus three standard deviations.
Apply outlier treatment in r by capping hard rooms at 3 times the 99th percentile and flooring rainfall at 0.3 times the first quartile, improving mean and median alignment.
Learn to handle missing values in logistic regression by comparing removal versus imputation strategies, including zero, mean or median, mode for categorical variables, segment means, and business-knowledge-driven approaches.
Impute missing values in R by replacing them with the mean of available observations, identify NA values with which, and confirm completion with a summary showing no remaining missing values.
Identify seasonality in time-series data and apply a multiplicative correction factor to normalize sales figures across months, using M = mean year / mean month, improving model fit.
Combine four distance variables into a single average distance feature to represent nearby employment activity, then clean the dataset by removing redundant columns and preparing for modeling in R.
Learn how to handle categorical variables in logistic regression by creating dummy variables. Use N minus one dummies to represent each category with 0 or 1, enabling proper model interpretation.
Learn to create dummy variables in R using the dummies package, converting airport and waterboarding into numerical columns. Maintain one fewer dummy than categories and drop redundant columns for analysis.
Explore three classifiers for predicting qualitative outcomes, learn to implement one technique in a software package, and contrast prediction and inferential questions on housing data.
Explore logistic regression, using a sigmoid function to bound credit default probabilities between 0 and 1, with three predictors (student status, balance, income) and maximum likelihood estimation.
Train a simple logistic model in R using glm with family=binomial and a single predictor price to predict whether a house will be sold (1) or not (0).
Estimate Y=1 probability with logistic regression on one predictor. Use standard error, z, and p value to test if Beta 1 is non-zero against a 5% or 1% threshold.
Explore logistic regression with multiple predictors, estimating beta coefficients by maximum likelihood to predict outcomes and set a 0.5 boundary. Learn handling multi-class responses and compare with linear discriminate analysis.
Train a multiple-predictor logistic regression in R using dot notation to include all independent variables; interpret the beta coefficients, p-values, and identify significant predictors of the response.
Learn to evaluate a logistic regression model in R Studio using a confusion matrix that compares true and predicted classes, and identify false positives and false negatives.
Analyze how to read a confusion matrix, define true/false positives and negatives, and evaluate models with precision, sensitivity, specificity, false positive rate, and ROC AUC.
Calculate house sale probabilities with logistic regression in R using predict(type='response'), then classify with a 0.5 threshold to assign yes/no. Build and interpret a confusion matrix to evaluate prediction accuracy.
Explore linear discriminant analysis (lda) for multi-class classification, using Bayes theorem and conditional probabilities to predict the most likely class, with normal distribution assumptions, confusion matrices, and practical business applications.
Use the MASS package to perform linear discriminant analysis in R, fit an lda model, and obtain posterior probabilities and classes via predict, plus a confusion matrix under 0.5 boundary.
Learn to assess model performance using train-test splits and confusion matrices on unseen data, choosing between validation set, leave-one-out, and cross-validation strategies to avoid overfitting.
Split data into 80/20 train/test in R, train a logistic regression model on the training set, predict probabilities, apply a 0.5 threshold, and evaluate with a confusion matrix.
Learn the k-nearest neighbors classifier, a non-parametric method that assigns classes by the conditional probability of nearby points, with emphasis on choosing k and standardizing data.
Build a Kenyan classifier in R using the class package, preparing train and test data, standardizing predictors, setting seed, and evaluating with a confusion matrix to compare k values.
Learn data collection, preprocessing, and model training for logistic regression in R Studio, including outlier handling, missing value imputation, variable transformation, and model comparison with confusion matrices for future predictions.
You're looking for a complete Classification modeling course that teaches you everything you need to create a Classification model in R, right?
You've found the right Classification modeling course covering logistic regression, LDA and kNN in R studio!
After completing this course, you will be able to:
· Identify the business problem which can be solved using Classification modeling techniques of Machine Learning.
· Create different Classification modelling model in R and compare their performance.
· Confidently practice, discuss and understand Machine Learning concepts
How this course will help you?
A Verifiable Certificate of Completion is presented to all students who undertake this Machine learning basics course.
If you are a business manager or an executive, or a student who wants to learn and apply machine learning in Real world problems of business, this course will give you a solid base for that by teaching you the most popular Classification techniques of machine learning, such as Logistic Regression, Linear Discriminant Analysis and KNN
Why should you choose this course?
This course covers all the steps that one should take while solving a business problem using classification techniques.
Most courses only focus on teaching how to run the analysis but we believe that what happens before and after running analysis is even more important i.e. before running analysis it is very important that you have the right data and do some pre-processing on it. And after running analysis, you should be able to judge how good your model is and interpret the results to actually be able to help your business.
What makes us qualified to teach you?
The course is taught by Abhishek and Pukhraj. As managers in Global Analytics Consulting firm, we have helped businesses solve their business problem using machine learning techniques and we have used our experience to include the practical aspects of data analysis in this course
We are also the creators of some of the most popular online courses - with over 150,000 enrollments and thousands of 5-star reviews like these ones:
This is very good, i love the fact the all explanation given can be understood by a layman - Joshua
Thank you Author for this wonderful course. You are the best and this course is worth any price. - Daisy
Our Promise
Teaching our students is our job and we are committed to it. If you have any questions about the course content, practice sheet or anything related to any topic, you can always post a question in the course or send us a direct message.
Download Practice files, take Quizzes, and complete Assignments
With each lecture, there are class notes attached for you to follow along. You can also take quizzes to check your understanding of concepts. Each section contains a practice assignment for you to practically implement your learning.
What is covered in this course?
This course teaches you all the steps of creating a classification model, to solve business problems.
Below are the course contents of this course on Logistic Regression:
· Section 1 - Basics of Statistics
This section is divided into five different lectures starting from types of data then types of statistics then graphical representations to describe the data and then a lecture on measures of center like mean median and mode and lastly measures of dispersion like range and standard deviation
· Section 2 - R basic
This section will help you set up the R and R studio on your system and it'll teach you how to perform some basic operations in R.
· Section 3 - Introduction to Machine Learning
In this section we will learn - What does Machine Learning mean. What are the meanings or different terms associated with machine learning? You will see some examples so that you understand what machine learning actually is. It also contains steps involved in building a machine learning model, not just linear models, any machine learning model.
· Section 4 - Data Pre-processing
In this section you will learn what actions you need to take a step by step to get the data and then prepare it for the analysis these steps are very important.
We start with understanding the importance of business knowledge then we will see how to do data exploration. We learn how to do uni-variate analysis and bi-variate analysis then we cover topics like outlier treatment and missing value imputation.
· Section 5 - Classification Models
This section starts with Logistic regression and then covers Linear Discriminant Analysis and K-Nearest Neighbors.
We have covered the basic theory behind each concept without getting too mathematical about it so that you understand where the concept is coming from and how it is important. But even if you don't understand it, it will be okay as long as you learn how to run and interpret the result as taught in the practical lectures.
We also look at how to quantify models performance using confusion matrix, how categorical variables in the independent variables dataset are interpreted in the results, test-train split and how do we finally interpret the result to find out the answer to a business problem.
By the end of this course, your confidence in creating a classification model in R will soar. You'll have a thorough understanding of how to use Classification modelling to create predictive models and solve business problems.
Go ahead and click the enroll button, and I'll see you in lesson 1!
Cheers
Start-Tech Academy
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Below is a list of popular FAQs of students who want to start their Machine learning journey-
What is Machine Learning?
Machine Learning is a field of computer science which gives the computer the ability to learn without being explicitly programmed. It is a branch of artificial intelligence based on the idea that systems can learn from data, identify patterns and make decisions with minimal human intervention.
Which all classification techniques are taught in this course?
In this course we learn both parametric and non-parametric classification techniques. The primary focus will be on the following three techniques:
Logistic Regression
Linear Discriminant Analysis
K - Nearest Neighbors (KNN)
How much time does it take to learn Classification techniques of machine learning?
Classification is easy but no one can determine the learning time it takes. It totally depends on you. The method we adopted to help you learn classification starts from the basics and takes you to advanced level within hours. You can follow the same, but remember you can learn nothing without practicing it. Practice is the only way to remember whatever you have learnt. Therefore, we have also provided you with another data set to work on as a separate project of classification.
What are the steps I should follow to be able to build a Machine Learning model?
You can divide your learning process into 3 parts:
Statistics and Probability - Implementing Machine learning techniques require basic knowledge of Statistics and probability concepts. Second section of the course covers this part.
Understanding of Machine learning - Fourth section helps you understand the terms and concepts associated with Machine learning and gives you the steps to be followed to build a machine learning model
Programming Experience - A significant part of machine learning is programming. Python and R clearly stand out to be the leaders in the recent days. Third section will help you set up the Python environment and teach you some basic operations. In later sections there is a video on how to implement each concept taught in theory lecture in Python
Understanding of models - Fifth and sixth section cover Classification models and with each theory lecture comes a corresponding practical lecture where we actually run each query with you.
Why use R for Machine Learning?
Understanding R is one of the valuable skills needed for a career in Machine Learning. Below are some reasons why you should learn Machine learning in R
1. It’s a popular language for Machine Learning at top tech firms. Almost all of them hire data scientists who use R. Facebook, for example, uses R to do behavioral analysis with user post data. Google uses R to assess ad effectiveness and make economic forecasts. And by the way, it’s not just tech firms: R is in use at analysis and consulting firms, banks and other financial institutions, academic institutions and research labs, and pretty much everywhere else data needs analyzing and visualizing.
2. Learning the data science basics is arguably easier in R. R has a big advantage: it was designed specifically with data manipulation and analysis in mind.
3. Amazing packages that make your life easier. Because R was designed with statistical analysis in mind, it has a fantastic ecosystem of packages and other resources that are great for data science.
4. Robust, growing community of data scientists and statisticians. As the field of data science has exploded, R has exploded with it, becoming one of the fastest-growing languages in the world (as measured by StackOverflow). That means it’s easy to find answers to questions and community guidance as you work your way through projects in R.
5. Put another tool in your toolkit. No one language is going to be the right tool for every job. Adding R to your repertoire will make some projects easier – and of course, it’ll also make you a more flexible and marketable employee when you’re looking for jobs in data science.
What is the difference between Data Mining, Machine Learning, and Deep Learning?
Put simply, machine learning and data mining use the same algorithms and techniques as data mining, except the kinds of predictions vary. While data mining discovers previously unknown patterns and knowledge, machine learning reproduces known patterns and knowledge—and further automatically applies that information to data, decision-making, and actions.
Deep learning, on the other hand, uses advanced computing power and special types of neural networks and applies them to large amounts of data to learn, understand, and identify complicated patterns. Automatic language translation and medical diagnoses are examples of deep learning.