12/06/2022 | by Patrick Fischer, M.Sc., Founder & Data Scientist: FDS
A random sample is a selection method in which a group of elements from a given population is selected based on randomness. Each element in the population has an equal probability of being included in the sample, and each element that is selected is considered part of the sample. This method is often used in research and statistical analysis to obtain a representative group that may not be obtained by other selection methods.
12/06/2022 | by Patrick Fischer, M.Sc., Founder & Data Scientist: FDS
Representativeness refers to the ability of a sample to represent a larger population. A representative sample is a group of individuals that reflects a larger group as closely as possible. This sample is composed so that it has the same distribution of characteristics as the group to which it refers. Representativeness is an essential element of research because a representative sample can provide detailed insight into the group.
12/06/2022 | by Patrick Fischer, M.Sc., Founder & Data Scientist: FDS
Exploratory data analysis, also called exploratory data analytics or exploratory data mining, is a method for systematically exploring and processing data to gain new knowledge and insights. It is an iterative process that allows the researcher to form hypotheses, identify patterns and relationships, and understand how data is related and how it impacts new findings and insights.
12/06/2022 | by Patrick Fischer, M.Sc., Founder & Data Scientist: FDS
The Anova test is a statistical procedure used to examine differences between two or more groups. It is often used in research to determine whether mean values differ significantly between two or more groups. The Anova test can also be used as part of a larger design to examine the influence of factors on a particular variable.
12/06/2022 | by Patrick Fischer, M.Sc., Founder & Data Scientist: FDS
A sample is a subset of a larger group selected to collect specific information. It is used to collect representative information about the entire group without checking each individual. A sample allows researchers to quickly and efficiently gather information about a large group of people or things.