How often would you flush the tube, and how much water would you deliver with each flush?

LDA requires labeled training data where each document is already categorized into predefined topics.

The next 3 questions are based on the following scenario: A 55 yom is on 24-hour continuous feeds of Jevity, running at 60 ml/hour. Jevity has 44.3 g pro/L and 835 ml H2O/L.

A company that designs tractors wants to analyze thousands of customer messages to discover opportunities for improving their products.  They do not have predefined “opportunity” categories but want to uncover patterns in the data.  Which technique should they use?

A logistics company is analyzing delivery complaints using LDA and finds that 50% of complaints mention “late delivery” alongside terms like “frustrating” and “unreliable.”  What should the company do next?

Sarah, a data analyst with limited experience in machine learning, has a dataset of customer churn and wants to build a predictive model. She is considering using an AutoML platform to speed up the process. Select the best answer.   While AutoML promises to automate many aspects of machine learning, in which of the following areas should Sarah likely invest additional effort and critical thinking, even when using an AutoML tool?

You have trained a machine learning model to classify images of cats and dogs using a dataset collected primarily from daytime, outdoor photos. Now, you want to deploy this model in a system that will also process images taken at night and indoors.   What critical challenge will your machine learning model face in this deployment scenario, and which validation technique would be most crucial to evaluate this challenge? Select the best answer.

Which of the following is the primary output of a “bag of words” model?

Completa con el presente de subjuntivo de los verbos en paréntesis. Separa tus respuestas con una coma y un espacio. Ejemplo:   come, juega   Es necesario que las autoridades  _____________ (priorizar) el tratamiento y reciclaje de la basura en las ciudades latinoamericanas para que la contaminación ambiental no ___________ (aumentar).

Completa con la forma correcta del futuro simple. Nosotros _____________ (ver) buenas películas.