Home \ Author Rebecca Merrett

In this Data Science in Minutes, we will describe what time series forecasting is, and provide several examples of when you can use time series for your data. Time Series is looking at data over time to forecast or predict …

In part 3 of this video series, learn how to evaluate time series model predictions using mean absolute error and Python’s statistics and matplotlib packages. We look at plotting the differences between actual versus predicted values, and calculate the mean …

In part 2 of this video series, learn how to build an ARIMA time series model using Python’s statsmodels package and predict or forecast N timestamps ahead into the future. Now that we have differenced our data to make it …

In part 1 of this video series, learn how to read and index your data for time series using Python’s pandas package. We check if the data meets the requirements or assumptions for time series modeling by plotting to see …

In this quick machine learning tutorial, we introduce you to the concepts of one-versus-one and one-versus-all in classification. In classification models, you will often want to predict one class from another. This is called binary classification, or one-versus-one. But what …

In this quick machine learning tutorial, we introduce you to the concepts of one versus one vs. one versus all in classification. In classification models, you will often want to predict one class from another. This is called binary classification, …

In this quick tutorial, we learn that machines can not only make sense of words but also make sense of words in their context. N-grams are one way to help machines understand a word in its context by looking at …

In this quick tutorial, we go over the basics of Natural Language Processing, what it is, and a few key applications of it. Machines can’t simply read and interpret language innately like we humans can. So how can machines understand …

R Tutorial: In part two of our R tutorial on web scraping, we will use taskscheduleR to set up our web scraping script to run as a background task on our computer. This means we do not have to manually …

In this R tutorial, we show you how to automatically web scrape using rvest periodically so you can analyze timely/frequently updated data.

There are many blogs and tutorials that teach you how to scrape data from a bunch of …