Machine Learning fundamental principles Flashcards

1
Q

four features and capabilities of ML

A

Automatized ML
Azure ML Designer
Data and compute management
Pipelines

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2
Q

main ML groups of algorythm

A

Supervised (regression, classification)
Unsupervised (clustering)
Reinforced

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3
Q

Regression model evaluation metrics

A
Mean Absolute Error (MAE)
Root Mean Squared Error (RMSE)
Relative Squared Error (RSE)
Relative Absolute Error (RAE)
Coefficient of Determination  (R2)
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4
Q

Clustering model evaluation metrics

A
Average distance to other center
Average distance to Cluster center
Number of points
Maximal distance to Cluster center
Combined evaluation
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5
Q

Classification model evaluation metrics

A
Accuracy
Precision
Recall (True positive rate)
F1 Score (Mix of Precision and Recall)
Fall-out (False negative rate)
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6
Q

Classification model, Performance assessment

A

Confusion Matrix (True Positive, False Positive, True Negative, False Negative)

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7
Q

Regression ML Algorythm

A

Linear Regression

Decision Forrest Regression

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8
Q

Classification ML Algorythm

A
Two-Class logistic regression
Multiclass logistic regression
Two-class neural network
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9
Q

Clustering ML Algorythm

A

K-means clustering

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10
Q

ML Core tasks

A
  1. Data Ingestion
  2. Data preparation and Data transformation
  3. Feature selection and engineering
  4. Model training
  5. Evaluation (score, test)
  6. Model Deployment
  7. Model Management
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11
Q

Azure ML Studio options (coding)

A

Automated ML (no-code)
Azure ML Designer (low-code)
Notebooks (code)

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12
Q

Task to deploy a model after training

A

Test the service
Create and test Inference pipeline
Create inference cluster
Deploy inference pipeline

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13
Q

Precision metric value calculation

A

How many cases predicted right
TP/(TP+FP)
out of all the patients that the model predicted as having diabetes, how many are actually diabetic?

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14
Q

Recall metric value calculation

A

TP/(TP+FN)

out of all the patients who actually have diabetes, how many did the model identify?

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15
Q

Accuracy metric value calculation

A

(TP+TN)/(TP+TN+FP+FN)

what proportion of diabetes predictions did the model get right

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16
Q

False negative rate metric value calculation

A

FN/(FN+TP)

on the overall of patients with diabete how many were predicted wrong

17
Q

Two data sources for Import Data module in Azure ML Designer?

A

Datastore

URL via HTTP