Cluster analysis using k-means is an example of supervised machine learning.

When you begin a cluster analysis how many clusters should you start with?

Which technique allows you to segment customers into groups?

A 68 year old patient with a history of HTN, DM, and CHF presents with shortness of breath. The patient reports he ran out of Lasix at home, and his last dose was 4 days ago. He reports feeling very winded and fatigued. His vital signs are the following: T 97.2F, HR 107, BP 158/77, RR 31, O2 saturation of 98% on 45% Ventimask. The MD believes the patient’s condition is easily reversible, and orders 40mg IV Lasix and 5mg IV Metoprolol. Given the information on his condition, which of the following would be most appropriate to support this patient until his condition can be reversed?

When chlorine gas comes in contact with the body’s mucous membranes, it forms:

What is the dioptric power of a lens that has a focal length of positive 500mm?

You respond to a residence for an unknown emergency involving an 83-year-old man. When you arrive, you find the patient, who is conscious and alert, sitting on his couch with his head held over a bowl. He tells you that his nose started bleeding about 20 minutes ago and he cannot get it to stop. As your partner assists the patient in controlling the bleeding, you inquire about his medical history. He tells you that he has chronic atrial fibrillation, has high blood pressure, and is occasionally depressed. When you ask him about compliance with his medications, he tells you, “I take my medicine every day, but the writing on the bottles is so small.” The patient’s blood pressure is 112/58 mm Hg, pulse rate is 88 beats/min and irregular, and respirations are 18 and unlabored. This patient has MOST likely inadvertently:

A lens is composed of a transparent material with two polished surfaces designed to change the direction of the incident light rays.

An 82-year-old man presents with confusion that has worsened progressively over the past 2 weeks. Because of his confusion and the fact that he is hearing impaired, you obtain the majority of your medical history information from his daughter. She tells you that her father has high blood pressure but refuses to take medication for it. She also tells you that she thinks he fell about 3 weeks ago. The patient’s blood pressure is 168/98 mm Hg, pulse rate is 60 beats/min and occasionally irregular, and respirations are 22 breaths/min and regular. This patient MOST likely:

As a field geotechnical engineering, you are trying to achieve ground compaction of both shallow and deep conditions at an urban area located within South Beach, Florida. There are several building structures in the vicinity of your job site. Which amongst the below listed ground improvement techniques do you consider least suited for the site?