ROC curves

The ROC curve is a graphical representation of the relationship between the true positive and false positive rates. A standard way to evaluate the relationship is with the area under the curve, which is displayed below the graph in the report. ROC curves are often...

Measurement error

In measurement errors, true scoring theory is a good model, but it cannot always be an accurate reflection of reality. In particular, it assumes that any observation is composed of the true value plus some random error value. But is that reasonable? What if all errors...

Charts - An overview

Charts and diagrams are now a critical component of modern research and reporting. Today, researchers use many means such as histograms, boxplots, and scatterplots to better understand their data. They are effective for displaying and summarizing large amounts of...

What is data

Since the invention of computers, people have used the term data to refer to information on the computer, and this information was transmitted or stored. But that's not its only definition; there are also other types. So how can it be defined? They can be texts or...

Data presentation

Data presentation is a very important factor in research activities. From business to financial and commercial activities, data reporting goes hand in hand with data analysis and is essential in all jobs of daily life. Basics of how data reporting works Reporting and...

Parametric and Non-Parametric Analysis

The field of statistics exists because it is generally impossible to collect data from all individuals of interest (population). Our only solution is to collect data from a subset (sample) of the individuals of interest, but our true desire is to know the truth about...
Abrir chat
1
Bienvenido(a) a Online Tesis
Nuestros expertos estarán encantados de ayudarte con tu investigación ¡Contáctanos!