Data Analysis On Accidents Rates Using Ntsb Data In The R-Xtable Package.
"NTSB"(National Transportation Safety Board) is an American company responsible for civil transportation accident investigation and seeks to keep records on accidents on road and air .It was established in 1962 and it ha…
A Descriptive Model Of Forest Fires.
Ever since the onset of civilisation, man has always sought ways of making life easier, but with civilisation came about the use mathematical and statistical methods to solve some of life's most pressing problems. This n…
Investigating The Mortality Of Hiv Positive Patients
The human immunodeficiency virus (HIV) has been a menace in the recent decades since its discovery in mid twentieth century. The virus weakens the host's immune system making them vulnerable to infections from other dise…
Lasso And Elastic-Net Regression With Cross Validation Using Apple Inc. Daily Stock Prices
In regression the linear model, Y = ?0 + ?1X1 + + ?pXp + e is used to explain the response Y using the variables X1, X2?Xn and mostly we solve this using the Least Squares Method. In this paper we have used another metho…
Visualizing Categorical Data
The 'vcd' package focuses on visualization techniques, data sets, summary and inference procedures aimed particularly at categorical data. Special emphasis is given to highly extensible grid graphics. The package was pac…
Multiple Comparisons On A Shares' Price List Model.
This paper is about multiple comparisons on a parametric model. The model used is made up of share prices for different companies listed at the Nairobi Securities Exchange. Multiple comparisons on models enable analysts …
Random Forests
Random forests are an improvement on decision trees. When analyzing a data set with several predictor variables by use of decision trees, we use a splitting rule to define a region wherein a subset of the data will fall.…
R Libraries Used: Tidyr And Forestfloor
R is a program for doing statistical analysis and for displaying the accompanying graphics. It was initially developed by Ross Ihaka and Robert Gentleman at the University of Auckland. It has been used by many people and…
Modelling Survival After A Heart Attack
In 1970, nearly 40% of older heart attack victims who made it to the hospital never left, dying there from the attack or its complications. Today, that number is well below 10%. Younger victims fare even better. Moreover…
Application Of The Mgcv Package In The Analysis Of Generalised Additive Models In R
The purpose of this project is to shed some light on how the MGCV(Mixed GAM Computational Vehicle) package in R is used in generalized additive modelling. Ageneralized additive model(GAM) is ageneralized linearmodelin wh…
The Use Of R - Car Package To Analyse The Impact Of Advertisements On Products' Inquiries
A large advertising firm in Kenya sought to find out if the advertisements made in the local newspapers led to enquiries about the products advertised. It was thought that the day of the week the advertisements are place…
Time Series Regression Of Microsoft Stock Prices.
Time series regression has been widely used in the stock market analysis and forecasting of existing and future stock prices respectively. This article aims to combine conventional time series analysis technique with inf…