Knowing Which Statistical Formula to Use

(Complete Table of Contents here: http://aka.ms/backyarddatascience) What, Why, How In a previous Notebook entry, I showed you where you can learn Statistics. It’s one of the base skills you need to know if you're going to work with Data Science. But many times students know the process of using a statistical formula (more accurately called … Continue reading Knowing Which Statistical Formula to Use

Learning Statistics

  (Complete Table of Contents here: http://aka.ms/backyarddatascience) Catalog This is a “Catalog” entry, which is used in Scientific Notebooks to list out a species name and data about that species. In this Notebook, I’ll use that to show a list entry of things you need to know. This entry is about Statistics, and where you … Continue reading Learning Statistics

Reducing (although sadly not eliminating) bias in sample gathering

(Complete Table of Contents here: http://aka.ms/backyarddatascience) What, Why, How To obtain the data for the analysis a Data Scientist needs to work with, there are two options: you can get all the data (called a population or "X") or a subset of the data (called a sample, or "x"). Most of the time the information … Continue reading Reducing (although sadly not eliminating) bias in sample gathering

Descriptive Statistics – Initial Evaluation of the Data

(Complete Table of Contents here: http://aka.ms/backyarddatascience) Species: Population, Sample, Count, Spread, Mean, Median, Mode, Basic Visualizations The most important part of data analysis is a thorough understanding of the data we're looking at. Once we've verified what the source of the data actually means (another entry in the Data Science Notebook entirely) and that we … Continue reading Descriptive Statistics – Initial Evaluation of the Data