Publications by Lumumba W.Victor
Response Surface Methodology
In-class Examples with R Code (Response Surface Methodology (RSM)) Stat 579 Michigan State University Set up Rstudio Setting up RMarkdown when opening it enables you to create dynamic, reproducible, and visually appealing reports, presentations, and documents, that can help you communicate your data analysis and research findings more effect...
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Response Surface Methodology
Set up Rstudio Setting up RMarkdown when opening it enables you to create dynamic, reproducible, and visually appealing reports, presentations, and documents, that can help you communicate your data analysis and research findings more effectively. In-class Examples with R Code (Response Surface Analysis (RSM)) Stat 579 Chuka University Intro...
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Exploratory Data Analysis: Part three
Introduction Data analysis is an art. This sample aims to illustrate how to use R to perform exploratory analysis the given problems. Only brief discussion will be included as an illustration. Descriptive statistics First, we have to load the libraries. library(dplyr) library(ggplot2) library(psych) library(corrplot) library(VIM) library(gr...
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AUTOREGRESSIVE INTEGRATED MOVING AVERAGE (ARIMA)
Set up Rstudio knitr::opts_chunk$set(echo = TRUE, warning=FALSE,comment = NA, message=FALSE, fig.height=4, fig.width=6) Abstract The primary purpose of technological advancement is to help firms and organizations arrive at the most appropriate decision regarding production and efficiency. As a result, it is worth mentionin...
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Survival Analysis (KMS-Model)
Set up Rstudio knitr::opts_chunk$set(echo = TRUE, warning=FALSE,comment = NA, message=FALSE, fig.height=4, fig.width=6) SURVIVAL ANALYSIS (Part One) In many cancer studies, the main outcome under assessment is the time to an event of interest. The generic name for the time is survival time, although it may be applied to th...
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Exploratory Data Analysis: Part Two
Set up Rstudio Setting up RMarkdown when opening it enables you to create dynamic, reproducible, and visually appealing reports, presentations, and documents, that can help you communicate your data analysis and research findings more effectively. if(!require(dplyr)){install.packages('dplyr')} #installing the package if not library(dplyr) #load...
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Panel Regression
Set up Rmarkdown Setting up RMarkdown when opening it enables you to create dynamic, reproducible, and visually appealing reports, presentations, and documents, that can help you communicate your data analysis and research findings more effectively. Introduction to Panel Regression Panel regression, also known as panel data analysis or longitud...
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The Effect of Religiosity Index on GDP Per Capita
Set up Rstudio Setting up RMarkdown when opening it enables you to create dynamic, reproducible, and visually appealing reports, presentations, and documents, that can help you communicate your data analysis and research findings more effectively. Set up the script to remove scientific notation Use the command below to ensure that the output va...
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The Effect of Religiosity Index on GDP Per Capita
Set up Rstudio Setting up RMarkdown when opening it enables you to create dynamic, reproducible, and visually appealing reports, presentations, and documents, that can help you communicate your data analysis and research findings more effectively. Set up the script to remove scientific notation Use the command below to ensure that the output va...
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Drawing Heart in Rstudio
The required library require(ggplot2) ## Loading required package: ggplot2 ## Warning: package 'ggplot2' was built under R version 4.2.2 Load the library ggplot2 library(ggplot2) Create the data dat <- data.frame(t = seq(0, 2*pi, by = 0.01)) x <- function(t) 16 * sin(t)^3 y <- function(t) 13*cos(t) - 5*cos(2*t) - 2*cos(3*t) - cos(4*t) View th...
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