National College of Ireland - Research Design and Methods Module
In 2005 Dr McLoad and I developed a course for undergraduate students. The idea was to explore a research question using qualitative...
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A Typical Questionnaire Design for a Survey about Tourism Research Needs.
Below is an example of a questionnaire for a survey of tourist visitors. Only part of the survey is included here.
Getting to Grips with Analysing Datasets with Categorical Variables and ANOVA
Abstract Analysis of Variance Analysis of variance is a collection of statistical models used to find whether there is a significant...
DO YOU WANT TO LEARN 'R'? TRY; www.tryr.codeschool.com
Well I'm making up this week for the lack of time I had to devote to this blog over the last three weeks after Darren kindly created this...
Getting to Grips With Datasets - Working with Data for K-Means Clusters & K-NN Nearest Neighbours
Introduction / Abstract The point of this exercise was to look at two algorithms namely, k-Means Cluster and k-NN Nearest Neighbor. The...
GETTING TO GRIPS WITH MDM AND DATA GOVERNANCE
In my 'Getting to Grips' series of articles I try to cut the hype and show my readers what is important before plunging headlong into...
Getting to Grips with Time Series Predictive Analysis Using 'R' (Theory)
Time Series - The Theory Importance of Time Series predictions The ability to observe the development of an area of interest (over time)...
kNN Nearest Neighbour Algorithm for Classification- Explained with example.
In this blog entry I am going to explain a little about kNN Nearest Neighbour algorithm and walk you through the example given in the...
UNDERSTANDING A BOX AND WHISKER PLOT
Occasionally you might see a 'box and whisker plot' in my posts, sounds like the name of your dog and cat doesn't it? Well no they are...
Getting to Grips with Naïve Bayes – A Step by Step Exercise in Spam Filtration for SMS (Mobile Text)
Step 1 – Collect the Data To develop the naive Bayes classifier, we will use data adapted from the SMS Spam Collection at...
GETTING TO GRIPS WITH THE THREE (OR MORE) V'S
One often gets buzz words surrounding new technology and Big Data has more than its fair share of those. Chief among these has to be,...
Revisiting Our Exercise in Regression Analysis in R and Rapidminer.
We revisit Regression analysis here with a more robust attempt. Research Question / Problem to be addressed: Let us imagine that the...
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