Machine Learning Key Concepts: A Quick Review
Machine Learning Key Concepts
1. You have a dataset with 7 features and 3 different labels. Which of the following would be a valid NN model? All of the above
2. Which of the following is not a data preprocessing task? Data translation
3. On a neural network, the output layer represents… Labels
6. Which is the output of this code? [[0,0,1], [0, 1,0],[1,0,0]]
7. What does this confusion matrix represent, where 1= positive and 0 = negative & T=True and F=False? TP=41, TN=116, FP=9, FN=26
9. With data
Read MoreGatsby’s World: A Chapter-by-Chapter Synopsis
Chapter 1: The Green Light
In the first chapter, the reader gets an introduction to the characters and their character traits:
- Jordan Baker: Uninhibited
- Nick Carraway: Unpolarized
- Daisy Buchanan: Sassy
- Tom Buchanan: Aggressive
- Jay Gatsby: Mysterious
Chapter 2: The Valley of Ashes
In chapter two, the reader learns that Tom Buchanan is unfaithful. Nick, being observant, rides with Tom on the train to the valley of ashes to see Tom’s mistress, Myrtle. Myrtle tells her husband that she’s going to visit her
Read MoreTheories on the Origin of Language: Divine, Natural, Physical
The Divine Source
In the Hindu tradition, language came from Sarasvati, wife of Brahma, the creator of the universe.
In the Biblical source, specifically the book of Genesis, God created Adam and “whatsoever Adam called every living creature, that was the name thereof.”
The basic assumption of the Divine Source Theory is that if human infants were allowed to grow up without hearing any language around them, then they would spontaneously begin using the original God-given language.
The Experiment
Read MoreInternet of Things (IoT), Embedded Systems, and Machine Learning Fundamentals
Chapter 1: Internet of Things (IoT)
IoT = Thing + Computational Intelligence + Connection to the Internet -> can produce a lot of data
Uniquely identifiable embedded systems (Things) connected with the internet infrastructure
Node devices (things) collect data from sensors -> data sent to the internet through a gateway
Things and gateways are considered as “edges”
Parts: Microcontroller, Expansion board and battery, Sensors and actuators
Chapter 2: Embedded Systems
Embedded systems are special-
Read MoreFeminist Retelling of Bluebeard in Angela Carter’s ‘The Bloody Chamber’
Angela Carter’s “The Bloody Chamber” is based on the legend of Bluebeard. Carter preserves the legend’s plot, casting the Marquis in the role of Bluebeard, who kills his wives and stores their corpses in a secret chamber. Like Bluebeard, the Marquis entices each new wife to explore the forbidden chamber and then kills her once she has discovered his secret. Carter goes so far as to reference the Bluebeard legend toward the end of “The Bloody Chamber.” When the heroine’s mother storms the Marquis’
Read MoreUnderstanding Additive Models and the Curse of Dimensionality
Curse of Dimensionality
7.0 AM; 7.1 Curse of Dimensionality (Richard Bellman): The problem of estimating f becomes vastly harder as p, the dimension of x, increases.
Nonparametric regression model: y=f(x)+e
Minor assumptions:
- The xi are measured without error.
- The ei are independently and identically distributed (i.i.d.) with mean 0.
- Variance of the ei values = unknown constant σ.
Common assumptions:
- f is in a Sobolev space (functions with bounded derivatives).
- f has a bounded number of discontinuities.