Professor Dave Explains
Accuracy and Precision for Data Collection
In science, we love data! But what are the rules of data collection? How accurate and how precise can we get with our data? What do these words even mean? Let's find out!
Curated Video
Calculating Reliability, Accuracy & Precision
Ever wondered what the terms 'reliability', 'accuracy' and 'precision' really meant? On first glance they may appear to be the same, but this video explains what distinguishes them and how we can calculate each of them.
Packt
Practical Data Science using Python - Optimizing Classification Metrics
This video explains optimizing classification metrics. This clip is from the chapter "Machine Learning" of the series "Practical Data Science Using Python".This section explains machine learning.
Curated Video
Practical Data Science using Python - Logistic Regression - Model Optimization 2
This video demonstrates how to predict the level by taking 0.3 as the optimum threshold. This clip is from the chapter "Logistic Regression" of the series "Practical Data Science Using Python".This section explains logistic regression.
Curated Video
Precision and Safety: The Role of High-Tech Machines in Product Inspection
Take a behind-the-scenes look at how high-precision machines play a crucial role in ensuring the quality and safety of the products we buy every day. From using smart scales that guarantee exact weights to advanced X-rays that spot...
Packt
Evaluate a machine learning model : Better Measures than Accuracy
From the section: Improving Model Accuracy. We start with reviewing previous day’s assignment by looking at an ideal solution and results. This module takes a pause from introducing any new model and focuses on improving the models and...
Curated Video
Data Science and Machine Learning (Theory and Projects) A to Z - Machine Learning Model Performance Metrics: The Confusion Matrix
In this video, we will cover the confusion matrix. This clip is from the chapter "Machine Learning: Machine Learning Crash Course" of the series "Data Science and Machine Learning (Theory and Projects) A to Z".In this section, we will...
Bozeman Science
Practice 3 - Planning and Carrying Out Investigations
Paul Andersen explains how investigations are used by scientists to answer questions and by engineers to test designs. He delineates be investigative and observational science. He demonstrates the formation of a good question the design...
Packt
Predictive Analytics with TensorFlow 8.4: CNN-based Predictive Model for Sentiment Analysis
This video will try to see if we can use CNN for such a use case and experience much better accuracy. Well, the motivation here is that we know CNN is mostly suitable for handling image recognition, classification, or pattern...
Curated Video
Confidence Intervals - Crash Course Statistics
Today we’re going to talk about confidence intervals. Confidence intervals allow us to quantify our uncertainty, by allowing us to define a range of values for our predictions and assigning a likelihood that something falls within that...
Schooling Online
Chemistry Skills: Reliability Part 1
A new contender joins the archery contest... Will he be a match for Robin Hood? Only time (and repeated trials) will tell! This lesson will explore the concept of reliability, including the subtle difference between accuracy and...
Schooling Online
Physics Skills: Reliability Part 1
A new contender joins the archery contest... Will they be a match for Robin Hood? Only time (and repeated trials) will tell! This lesson will explore the concept of reliability, including the subtle difference between accuracy and...
Schooling Online
IB Physics Skills: Reliability Part 1
A new contender joins the archery contest... Will they be a match for Robin Hood? Only time (and repeated trials) will tell! This lesson will explore the concept of reliability, including the subtle difference between accuracy and...
Schooling Online
IB Chemistry: Reliability Part 1
A new contender joins the archery contest... Will they be a match for Robin Hood? Only time (and repeated trials) will tell! This lesson will explore the concept of reliability, including the subtle difference between accuracy and...
Curated Video
Rising Waters: A Warmer World
Earth’s global sea levels are rising – and are doing so at an accelerating rate. Waters in the ocean are expanding as they absorb massive amounts of heat trapped by greenhouse gases in Earth’s atmosphere. Glaciers and ice sheets are...
Bozeman Science
Significant Digits
Mr. Andersen explains significant digits and shows you how to use them in calculations.
Bozeman Science
The Scientific Method
Mr. Andersen gives a brief description of the scientific method.
Curated Video
88-South Antarctic Traverse: Year Two
For the second straight year, NASA researchers (Kelly Brunt and Adam Greeley) endured low temperatures, biting winds, and high altitude to conduct another 88-South Traverse. The 470-mile expedition in one of the most barren landscapes on...
Packt
Evaluate a machine learning model : Review of Classifying Images Using Support Vector Machines
From the section: Improving Model Accuracy. We start with reviewing previous day’s assignment by looking at an ideal solution and results. This module takes a pause from introducing any new model and focuses on improving the models and...
Curated Video
Evaluate a machine learning model : Assignment – Getting Better Test Sample Results by Measuring Model Performance
From the section: Improving Model Accuracy. We start with reviewing previous day’s assignment by looking at an ideal solution and results. This module takes a pause from introducing any new model and focuses on improving the models and...
Curated Video
Evaluate a machine learning model : Understanding the Results
From the section: Improving Model Accuracy. We start with reviewing previous day’s assignment by looking at an ideal solution and results. This module takes a pause from introducing any new model and focuses on improving the models and...
Packt
Evaluate a machine learning model : Improving the Models
From the section: Improving Model Accuracy. We start with reviewing previous day’s assignment by looking at an ideal solution and results. This module takes a pause from introducing any new model and focuses on improving the models and...
Packt
Evaluate a machine learning model : Model Evaluation
From the section: Improving Model Accuracy. We start with reviewing previous day’s assignment by looking at an ideal solution and results. This module takes a pause from introducing any new model and focuses on improving the models and...
Professor Dave Explains
Calculating Percent Error
Sometimes we take measurements, and sometimes we're off by a little bit. How far off? Does it make sense to just use a number? Shouldn't we use something that tells us how far off we are relative to the true value? Yes we should, hence,...