There are a lot of aspects to time series analysis. One method is called Holt-Winters and uses exponential smoothing to handle trend and seasonality. If you want, you can read about it in the original paper called “Forecasting Sales by Exponentially Weighted Moving Averages” by Peter R. Winters […]

When the input data is text, such as customer reviews, we cannot use the quantitative techniques without prior coding of the text. To experiment with text analytics, you can use a dataset such as this: https://www.kaggle.com/daishinkan002/men-women-shoes-reviews containing product reviews (of shoes). In this dataset, the variable “reviews” contains […]

Which of the following companies will first go bankrupt*: Facebook, H&M, or Tesla? Use the Analytical Diamond to structure your analysis. Specify/rephrase the Question as needed. Make assumptions where needed, and be explicit about them. Define Concepts according to your understanding of the phenomenon – or previous research […]

Machine Learning is a term used for a number of different techniques where hyper-dimensional datasets can be used without prior conceptualization and definition of the relationships between variables. The “machine” will “learn” from the data. As a result, a ML-model can be very complex and thus treated as […]

Challenge: Decompose a research paper into the four parts of the diamond Instructions Find a research paper that concerns something of interest to you. It can be an excerpt from a book (even textbook), an article published in a journal or conference proceedings, or an open-access paper. Use […]