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Videos uploaded by user “Gopal Malakar”
What is Random Forest Algorithm? A graphical tutorial on how Random Forest algorithm works?
 
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It Explains Random Forest Method in a very simple and pictorial way --------------------------------- Read in great detail along with Excel output, computation and R code ---------------------------------- https://www.udemy.com/decision-tree-theory-application-and-modeling-using-r/?couponCode=Ad_Try_01
Views: 116416 Gopal Malakar
Tutorial - Introduction to Traveling Sales Man Problem (TSP) n why it is NP Hard
 
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- What is a traveling sales man problem - why it is computationally difficult?
Views: 9351 Gopal Malakar
Introduction to Support Vector Machine (SVM) and Kernel Trick (How does SVM and Kernel work?)
 
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Introduction to Support Vector Machine (SVM) Support vectors Complexity of SVM Introduction to Kernel trick Demo of kernel trick – using Excel the link to the excel file --https://drive.google.com/open?id=0Byo-GmbU7XciMUtJalFMUnlDRnM
Views: 33220 Gopal Malakar
Introduction to Basel 3 and Basel 2 vs. Basel 3
 
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See Basel III vs Basel III side by side. Know what is extra in Basel 3 in comparison of Basel 2. Read in more detail (step by step explanation of Basel 1/ Basel 2 / Basel 3) - https://www.udemy.com/basel_norms_simplified/?couponCode=YOUTB_001
Views: 50628 Gopal Malakar
MLE vs OLS estimate.mp4
 
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1. What is OLS (ordinary least square) estimate? 2. What is MLE (maximum likelihood estimate) estimate? 3. Scenarios where MLE estimate is same as OLS estimates VSP Group, my partner program. Get connected! https://youpartnerwsp.com/en/join?62916
Views: 25010 Gopal Malakar
Tutorial - Introduction to Ant Colony Optimization Algorithm n How it is applied on TSP
 
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What is ant colony optimization algorithm? How it is applied in case of Travelling salesman Problem (TSP)? A concept demo – concept visualization : of ant colony optimization on TSP problem Pseudo code of execution
Views: 18078 Gopal Malakar
Introduction to Ordinal Logistic Regression & Proportional Odds Assumption
 
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Get Crystal clear understanding of Ordinal Logistic Regression. To know step by step credit scoring, model design, multi collinearity treatment, variable selection, model validation etc, please refer to ----------------- https://www.udemy.com/logistic-regression-credit-scoring-modelling-using-sas/?couponCode=YTB_001 -------------------------------------
Views: 12249 Gopal Malakar
Introduction to MultiNomial Logistic Regression (Outcome more than two class) & Solution Approach
 
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Get Crystal clear understanding of Multinomial Logistic Regression. To know step by step credit scoring, model design, multi collinearity treatment, variable selection, model validation etc, please refer to ----------------- https://www.udemy.com/logistic-regression-credit-scoring-modelling-using-sas/?couponCode=YTB_001 -------------------------------------
Views: 20359 Gopal Malakar
Introduction to Basel 2 and Basel 1 Vs. Basel 2
 
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See Basel I vs. Basel II side by side, What are the extra pillars of Basel 2. What are different risks that Basel I and Basel II addresses. What is the difference in approach of Basel II vs. Basel I Read in more detail (step by step explanation of Basel 1/ Basel 2 / Basel 3) - https://www.udemy.com/basel_norms_simplified/?couponCode=YOUTB_001
Views: 32339 Gopal Malakar
Mahalanobis Distance - intuitive understanding through graphs and tables
 
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After going through this video- you will know What is Mahalanobis Distance? Where it is used in linear discriminant analysis? Issues with Euclidian distance An intuitive understanding of Mahalanobis distance formula How does it get rid of some of the issues of Euclidian distance?
Views: 25726 Gopal Malakar
Tutorial : Introduction to Genetic Algorithm n application on Traveling Sales Man Problem (TSP)
 
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- what is genetic algorithm - Graphical explanation of how does it work? - Simplistic explanation of chromosome , cross over, mutation, survival of fittest through .....Application into travelling sales man (TSP) problem - Pseudo code for application of genetic algorithm for TSP Some practical tips for getting good solution
Views: 18367 Gopal Malakar
Stochastic Process
 
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What is stochastic process? Is an observed series (say GDP) is really stochastic? VSP Group, my partner program. Get connected! https://youpartnerwsp.com/en/join?62916
Views: 23866 Gopal Malakar
proc compare in sas with example - Check Data Migration Quality in SAS using proc Compare
 
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-Proc compare syntax -A wonderful utility to compare datasets -Proc compare example ------------------- Learn step by step SAS programming https://www.udemy.com/sas-programming-made-easy-with-examples/?couponCode=GP_TR_1 --------------------------------------------
Views: 2823 Gopal Malakar
Introduction to MANOVA, MANOVA vs ANOVA n MANOVA using R
 
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1. What is MANOVA 2. Difference between MANOVA and ANOVA 3. NULL Hypothesis of MANOVA 4. Execution steps of MANOVA 5. MANOVA using R
Views: 8592 Gopal Malakar
How to get data for machine learning projects
 
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where to apply which machine learning algorithm? https://www.quora.com/How-do-you-choose-a-machine-learning-algorithm/answer/Gopal-Malakar?share=a1223d8f&srid=D80k Library for machine learning data https://archive.ics.uci.edu/ml/index.php https://archive.ics.uci.edu/ml/datasets.html I see some problem with above two links. So please refer to below link (which shows less datasets as of now) http://mlr.cs.umass.edu/ml/datasets.html
Views: 1590 Gopal Malakar
01. Recording Excel Macro with relative reference - Automate tasks without coding
 
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Resource (Download Excel) from google drive link- https://drive.google.com/drive/folders/0Byo-GmbU7XciQTdOb0czOWVBTGc
Views: 5783 Gopal Malakar
Transpose Data using Proc Transpose in SAS (column to row ) - proc transpose syntax explained
 
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-what is proc transpose -how does it help -different part of proc transpose syntax -workout example of proc transpose ---------- Be comfortable at SAS programming https://www.udemy.com/sas-programming-made-easy-with-examples/?couponCode=GP_TR_1 -------------------------------------------
Views: 3652 Gopal Malakar
Define SAS Macro as a function and syntax of loop inside SAS Macro (start 02 tutorial)
 
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SAS code you will learn the syntax, To detect number of variables in a dataset Create loop to run for all the variables of a dataset Detect number of distinct categories for all variables Pass a parameter to macro to make a condition for number of distinct categories Run proc freq for some cases meeting above condition Run univariate for numeric variables How to put descriptive titles SAS file https://drive.google.com/drive/folders/0Byo-GmbU7XciZU5IRlZENXVpSm8
Views: 5234 Gopal Malakar
Stationary Stochastic Process
 
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Stationary Stochastic Process What is stationary stochastic process? Why the concept of stationary is important for forecasting? Excel demo of Stationary Stochastic process VSP Group, my partner program. Get connected! https://youpartnerwsp.com/en/join?62916
Views: 17515 Gopal Malakar
Cross Validation concepts for modeling (Hold out, Out of time (OOT), K fold & all but one)
 
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Cross Validation Concepts ( Hold out, Out of time (OOT) validation, K fold Validation and All but one)
Views: 4521 Gopal Malakar
Introduction to Factor Analysis and Factor Analysis vs. Principal Component Analysis (PCA)
 
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-Introduction to factor analysis -Factor analysis vs Principal Component Analysis (PCA) side by side Read in more details - https://www.udemy.com/principal-component-analysis-pca-and-factor-analysis/?couponCode=GP_TR_1
Views: 10278 Gopal Malakar
Insurance Analytics: Application of analytics / machine learning techniques in insurance industry
 
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Learn : Application of analytics in the insurance industry. Agenda will be -Customer lifecycle in insurance business -Fundamental of insurance business -Application of various analytics techniques along with the customer life cycle 1. Use of predictive analytics / supervised machine learning algorithms 2. Use of collaborative filtering etc. Take a look at my other publications --------------------------------------------------------------- Learn R programming https://www.udemy.com/introduction-to-r-programming-learn-r-syntax-by-example/?couponCode=DSC_01_01 Statistics by simulation https://www.udemy.com/statistics-by-example/?couponCode=DSC_01_01 Logistic Regression https://www.udemy.com/logistic-regression-workshop-using-r-step-by-step-modeling/?couponCode=DSC_01_01 PCA and Factor Analysis https://www.udemy.com/principal-component-analysis-pca-and-factor-analysis/?couponCode=DSC_01_01 decision tree - CHAID - CART - Random Forest https://www.udemy.com/decision-tree-theory-application-and-modeling-using-r/?couponCode=FB_DT_01 Cluster analysis https://www.udemy.com/cluster-analysis-motivation-theory-practical-application/?couponCode=YTB Neural Network https://www.udemy.com/artificial-neural-networks-tutorial-theory-applications/?couponCode=GT_01_ANN
Views: 4571 Gopal Malakar
Introduction To Cluster Analysis
 
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This is short tutorial for What it is? (What do we mean by a cluster?) How it is different from decision tree? What is distance and linkage function? What is hierarchical clustering? What is scree plot & dendogram? What is non hierarchical clustering (k-means)? How to learn it in detail (step by step)? --------------------------------- Read in great detail along with Excel output, computation and SAS code ---------------------------------- https://www.udemy.com/cluster-analysis-motivation-theory-practical-application/?couponCode=FB_CA_001
Views: 136815 Gopal Malakar
SAS Array Made Easy - Syntax and Workout Example
 
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-How to define SAS array -How to use it -How does it help Through a workout example SAS code - https://drive.google.com/open?id=0Byo-GmbU7XciS1I3WFJ4Zzd6b2s
Views: 4187 Gopal Malakar
Introduction to Poisson regression n Count Data Model (Negative binomial etc.)
 
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-What is a Poisson regression model -Where it is applicable? Assumption of Poisson Regression Recap of Poisson distribution Through Excel simulation - Why Poisson Regression model is called log linear model? Process of developing Poisson Regression model. Extension of Poisson regression – negative binomial, over dispersed Poisson model, zero inflated Poisson model Solution using SAS / R – part 2 Download file, code, PDF ---------------------------- https://drive.google.com/drive/folders/0Byo-GmbU7XcibW9EWDVDbXlNWkE?usp=sharing My other publications Learn R programming https://www.udemy.com/introduction-to-r-programming-learn-r-syntax-by-example/?couponCode=DSC_01_01 Statistics by simulation https://www.udemy.com/statistics-by-example/?couponCode=DSC_01_01 Logistic Regression https://www.udemy.com/logistic-regression-workshop-using-r-step-by-step-modeling/?couponCode=DSC_01_01 PCA and Factor Analysis https://www.udemy.com/principal-component-analysis-pca-and-factor-analysis/?couponCode=DSC_01_01 decision tree - CHAID - CART - Random Forest https://www.udemy.com/decision-tree-theory-application-and-modeling-using-r/?couponCode=FB_DT_01 Cluster analysis https://www.udemy.com/cluster-analysis-motivation-theory-practical-application/?couponCode=YTB Neural Network https://www.udemy.com/artificial-neural-networks-tutorial-theory-applications/?couponCode=GT_01_ANN
Views: 3814 Gopal Malakar
How  to use credit card without incurring any charges (interest / finance charge etc.)
 
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Learn to avoid - Late payment charge (LPC), - Over Limit Charge (OVL Fee) - Over the counter fee in addition of - Finance or Interest Charge
Views: 2078 Gopal Malakar
Advantage and Disadvantage of Arithmatic Mean
 
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Arithmetic mean - it's advantage and disadvantage VSP Group, my partner program. Get connected! https://youpartnerwsp.com/en/join?62916
Views: 6548 Gopal Malakar
Introduction To Gradient Boosting algorithm (simplistic n graphical) - Machine Learning
 
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In this tutorial, you will learn -What is gradient boosting? Other name of same stuff is Gradient descent -How does it work for 1. Numeric outcome - Regression problem 2. Categorical outcome – Classification problem -Is it same as over grown decision tree? -How it is different from random forest method? __________________________ Please note - for categorical problem, I have shown ada boost example, which can be considered a special case of Gradient boosting. You can see Ada boost vs Gradient boosting here ________________________________ https://www.packtpub.com/mapt/book/big_data_and_business_intelligence/9781788295758/4/ch04lvl1sec34/comparison-between-adaboosting-versus-gradient-boosting
Views: 27832 Gopal Malakar
RWM with drift and deterministic trend
 
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Demo of Random Walk Model with drift n deterministic trend 1. Eq of Random walk model with drift and deterministic trend 2. How to convert, above series, stationary VSP Group, my partner program. Get connected! https://youpartnerwsp.com/en/join?62916
Views: 2544 Gopal Malakar
What is a SAS Macro n How to Define n use SAS Macro (start 01 tutorial)
 
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SAS code - you will learn the syntax, To detect number of variables in a dataset Create loop to run for all the variables of a dataset Detect number of distinct categories for all variables Pass a parameter to macro to make a condition for number of distinct categories Run proc freq for some cases meeting above condition Run univariate for numeric variables How to put descriptive titles SAS file https://drive.google.com/drive/folders/0Byo-GmbU7XciZU5IRlZENXVpSm8
Views: 5670 Gopal Malakar
What is Digital Analytics? What purpose it serves? Examples of digital analytics
 
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- What is Digital Analytics? - What purpose it serves? - What is it's main objectives? - Example of Digital Analytics You can say it is all about 1. What you can do to help customer 2. What can you do to optimize your internal process 3. What Can you do to help your suppliers VSP Group, my partner program. Get connected! https://youpartnerwsp.com/en/join?62916
Views: 2917 Gopal Malakar
Pair T Test example using excel / Conduct and Interpret pair T test in excel
 
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Also understand, how to interpret the output. A specially design course on Data Analysis Toolpak / Solver / Goal seek is on the link below --------------- https://www.udemy.com/data-analysis-statistical-optimization-using-ms-excel/?couponCode=PR_TR_1 ---------------------
Views: 4789 Gopal Malakar
Example of Principal Component Analysis (PCA).mp4
 
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Step by step detail with example of Principal Component Analysis PCA Read in more details - https://www.udemy.com/principal-component-analysis-pca-and-factor-analysis/?couponCode=GP_TR_1 Also if you just want to understand it high level without mathematics, you can refer to this link https://www.youtube.com/watch?v=8BKFd9izEXM
Views: 115731 Gopal Malakar
Linear Regression vs Regression tree
 
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Click here for in depth study with quiz / workout - https://www.udemy.com/decision-tree-theory-application-and-modeling-using-r/?couponCode=YOU_DT_0
Views: 1829 Gopal Malakar
Poisson Regression Example / Workout in R n Detail Interpretation of Output
 
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Download file, code, PDF ---------------------------- https://drive.google.com/drive/folders/0Byo-GmbU7XcibW9EWDVDbXlNWkE?usp=sharing My other publications Learn R programming https://www.udemy.com/introduction-to-r-programming-learn-r-syntax-by-example/?couponCode=DSC_01_01 Statistics by simulation https://www.udemy.com/statistics-by-example/?couponCode=DSC_01_01 Logistic Regression https://www.udemy.com/logistic-regression-workshop-using-r-step-by-step-modeling/?couponCode=DSC_01_01 PCA and Factor Analysis https://www.udemy.com/principal-component-analysis-pca-and-factor-analysis/?couponCode=DSC_01_01 decision tree - CHAID - CART - Random Forest https://www.udemy.com/decision-tree-theory-application-and-modeling-using-r/?couponCode=FB_DT_01 Cluster analysis https://www.udemy.com/cluster-analysis-motivation-theory-practical-application/?couponCode=YTB Neural Network https://www.udemy.com/artificial-neural-networks-tutorial-theory-applications/?couponCode=GT_01_ANN
Views: 4516 Gopal Malakar
Conditional Execution Conversion n SAS macro debugging options (symbolgen etc start 03 tutorial)
 
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SAS file - you will learn the syntax, To detect number of variables in a dataset Create loop to run for all the variables of a dataset Detect number of distinct categories for all variables Pass a parameter to macro to make a condition for number of distinct categories Run proc freq for some cases meeting above condition Run univariate for numeric variables How to put descriptive titles SAS file https://drive.google.com/drive/folders/0Byo-GmbU7XciZU5IRlZENXVpSm8
Views: 3305 Gopal Malakar
Deterministic vs. Stochastic trend
 
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Deterministic trend vs. Stochastic trend. Which is more volatile and why VSP Group, my partner program. Get connected! https://youpartnerwsp.com/en/join?62916
Views: 10162 Gopal Malakar
Introduction to Ensemble Learning, Bagging and Boosting
 
02:44
Click here for in depth study with quiz / workout - https://www.udemy.com/decision-tree-theory-application-and-modeling-using-r/?couponCode=YOU_DT_0
Views: 15279 Gopal Malakar
Big Data Analytics track vs Data Science / machine learning tutorial track - practically
 
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In this tutorial, you will learn about • What is the content of big data track vs data science track • Salary and effort trends - 2:38 minute • Explanation of some term you learn in big data tracks (4:03 minute) like o Map reduce o Zoo keeper o HDFS o Name node o Flume / Scoop o Hive / Pig o R Hadoop / Mahaout • Explanation of some term you learn in data science tracks (8:00 minute) like o Usage of SAS / R / Python – and how you should learn it o Curriculum for basic statistics and how you should learn it o Supervised learning : predictive modelling –  Classification tree  Regression Tree  Logistic Regression o Unsupervised learning – cluster analysis (k-means) • Three kind of curriculum for machine learning (13:56 minute) o Mathematical o Overview (industrial set up) o In depth (industrial set up) • Time required for the curriculum (18:23 minute) My online course links -------------------------- Learn R programming https://www.udemy.com/introduction-to-r-programming-learn-r-syntax-by-example/?couponCode=DSC_01_01 Statistics by simulation https://www.udemy.com/statistics-by-example/?couponCode=DSC_01_01 Logistic Regression https://www.udemy.com/logistic-regression-workshop-using-r-step-by-step-modeling/?couponCode=DSC_01_01 PCA and Factor Analysis https://www.udemy.com/principal-component-analysis-pca-and-factor-analysis/?couponCode=DSC_01_01 decision tree - CHAID - CART - Random Forest https://www.udemy.com/decision-tree-theory-application-and-modeling-using-r/?couponCode=FB_DT_01 Cluster analysis https://www.udemy.com/cluster-analysis-motivation-theory-practical-application/?couponCode=YTB Neural Network https://www.udemy.com/artificial-neural-networks-tutorial-theory-applications/?couponCode=GT_01_ANN
Views: 7130 Gopal Malakar
Become data scientist / Learn Analytics step by step with my tutorials
 
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Building data science competency requires you to become comfortable with four aspects of data science 1. Execution skills – like using SAS / R / Excel ect. 2. Basic statistics 3. Machine learning techniques. You must know at least a. supervised machine learning techniques for i. binary outcome (classification tree / logistic regression), ii. numeric outcome (linear regression / regression tree) b. As well as unsupervised machine learning techniques like cluster analysis 4. Domain Knowledge / Business scenario understanding The tutorial will throw light on how to build competency on these aspects. Regards Summary PDF with link - https://drive.google.com/open?id=1qydKfBwPx0ehoU9JmQ-YmVByfQI4V91C Complete PDF with link - https://drive.google.com/open?id=1NcflxuprQCnoeNHG-NG6bCe2XNP-GWBQ
Views: 3870 Gopal Malakar
Model fit statistics.mp4
 
07:30
Model fit statistics 1. R-square and adjusted R-square? 2. Why do we need adjusted R-square? 3. What are other similar statistics (like AIC, SC) 4. When to choose which statistics? VSP Group, my partner program. Get connected! https://youpartnerwsp.com/en/join?62916
Views: 4873 Gopal Malakar
How driverless car works? A graphical Explanation of Reinforcement learning  - Autonomous Car
 
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How does an autonomous car (driverless car ) work? What is reinforcement learning How does a driverless car work?
Views: 916 Gopal Malakar
How Good is your new model? Old model vs New Model
 
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Impact of reject inference. How good is your TTD model
Views: 478 Gopal Malakar
Time series Analysis (Trend Seasonality (TCSI) Modelling) and forecasting  using Excel
 
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1. Basic Multiplicative Model (TCSI) 2. What are different components like Trend component, cyclic component, seasonal component etc? 3. How to calculate different component in a given series using excel 4. How to forecast using TCSI model (step by step in excel) VSP Group, my partner program. Get connected! https://youpartnerwsp.com/en/join?62916
Views: 11481 Gopal Malakar
What is Principal Component Analysis (PCA)
 
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Principal component analysis aims to 1. summarize data with many independent variables to a smaller set of derived variables 2. In such a way, that first component has maximum variance, followed by second, followed by third and so on 3. The covariance of any of the component with any other component is zero VSP Group, my partner program. Get connected! https://youpartnerwsp.com/en/join?62916
Views: 39166 Gopal Malakar
How to do Logistic Regression Modeling using SAS? What is Credit Scoring?
 
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Logistic Regression Modelling - what it is? What are the steps? How can you learn it step by step on my course on udemy.com? --------------------------------- Read in great detail along with Excel output, computation and SAS code ---------------------------------- https://www.udemy.com/logistic-regression-credit-scoring-modelling-using-sas/?couponCode=YOUT_001
Views: 24072 Gopal Malakar
Dummy (indicator 0/ 1) variable regression to detect structral break (an alternative to CHOW test)
 
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Learn dummy variable regression / ANOVA / ANCOVA etc. --------------- https://www.udemy.com/dummy-variable-regression-and-conjoint-analysis-using-r/?couponCode=YTB_CJ_001 -----------------------------
Views: 1353 Gopal Malakar
Getting Started with Python (Spyder & Anaconda distribution) download n understand Environment
 
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- How to download Anaconda Distribution - Anaconda distribution loads Spyder / Pyhton etc
Views: 5477 Gopal Malakar

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