Publications by Forhad Akbar
DATA605- Assignment 02 (Discussion)
Assignment 02 (Discussion): Determinant of a Matrix Forhad Akbar 02/04/2020 Load Packages library(knitr) Problem Statement The problem C23, selected page 353, Doing the computations by hand, find the determinant of the matrix below. matr = matrix(c (1,3,2,4,1,3,1,0,1), ncol=3 , nrow=3, byrow=T) print(matr) ## [,1] [,2] [,3] ## [1,] ...
873 sym R (202 sym/5 pcs)
DATA605- Homework 01
DATA 605: Homework 01 Forhad Akbar 01/29/2020 1. Problem set 1 You can think of vectors representing many dimensions of related information. For instance, Netflix might store all the ratings a user gives to movies in a vector. This is clearly a vector of very large dimensions (in the millions) and very sparse as the user might have rated only a ...
2564 sym R (2259 sym/15 pcs)
DATA605- Assignment 01 (Discussion)
Problem Statement The problem M60, selected page 161, “A First Course in Linear Algebra”. Suppose that {u, v, w} BELONGS TO C^n is an orthonormal set. Prove that u + v is not orthogonal to v + w. Load Packages library(knitr) {u, v, w} are orthonormal. Therefore, u.v = 0, v.w = 0 and u.w = 0. And u^2 = 1, v^2 = 1 and w^2 = 1. Now, (u + v).(...
476 sym R (14 sym/1 pcs)
Data 606: Final Project
DATA 606 Final Project Libraries Introduction Data Exploratory Data Analysis & Inference Logestic Regression Decision Tree Random Forest Conclusion Reference Libraries library(tidyverse) library(caTools) library(ROCR) library(rpart) library(rmdformats) library(randomForest) Introduction Research question About Company: Dream Housing Fina...
5087 sym R (30468 sym/58 pcs) 9 img
Data607: TidyVerse Assignment Part 02
Tidyverse Assignment Part 02 Extended from SHaslett-607-Tidyverse-assignment.Rmd Assignment Overview Assignment Response Datasource Assignment Overview Create an Example Using one or more TidyVerse packages, and any dataset from fivethirtyeight.com or Kaggle, create a programming sample “vignette” that demonstrates how to use one or more of...
1769 sym R (6685 sym/15 pcs) 1 img
Data607: TidyVerse Assignment Part 01
TidyVerse Assignment Part 01 Forhad Akbar 11/27/2019 The problem statement is as follows: In this assignment, you’ll practice collaborating around a code project with GitHub. You could consider our collective work as building out a book of examples on how to use TidyVerse functions. GitHub repository: https://github.com/acatlin/FALL2019TIDYVER...
2487 sym R (3534 sym/14 pcs) 1 tbl
DATA607- Assignment 12 – NoSQL Migration
Week 12 Assignment - NoSQL Migration Forhad Akbar and Shovan Biswas 11/20/2019 The problem statement is as follows: “For this assignment, you should take information from a relational database and migrate it to a NoSQL database of your own choosing. For the relational database, you might use the flights database, the tb database, the”data sk...
2845 sym R (2017 sym/14 pcs) 1 img 2 tbl
Data 606: Chapter 9 - Multiple and Logistic Regression
Baby weights, Part I. (9.1, p. 350) The Child Health and Development Studies investigate a range of topics. One study considered all pregnancies between 1960 and 1967 among women in the Kaiser Foundation Health Plan in the San Francisco East Bay area. Here, we study the relationship between smoking and weight of the baby. The variable smoke is c...
8465 sym R (995 sym/15 pcs) 2 img
DATA605- Assignment 03 (Discussion)
Assignment 03 (Discussion): Chapter E Forhad Akbar 02/11/2020 Load Packages library(knitr) library(pracma) Problem Statement The problem C11, selected page 388, Find the characteristic polynomial of the matrix. A = matrix(c (3,2,1,0,1,1,1,2,0), ncol=3 , nrow=3, byrow=T) print(A) ## [,1] [,2] [,3] ## [1,] 3 2 1 ## [2,] 0 ...
1257 sym R (283 sym/5 pcs)
DATA605- Assignment 05 (Discussion)
Assignment 05 (Discussion): Chapters 2 Forhad Akbar 02/26/2020 Load Packages library(knitr) Problem Statement The problem 6, selected page 72, from “Introduction to Probability” book Assume that a new light bulb will burn out after t hours, where t is chosen from [0,∞) with an exponential density \[ f(t)=\lambda { e }^{ -\lambda t } \] ...
2702 sym R (39 sym/3 pcs)