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### StatQuest: Machine Learning Playlist #66DaysOfData

Day 24 of #66DaysofData (01/24/21):
I watched the Youtube Video, StatQuest: PCA Practical Tips
https://www.youtube.com/watch?v=oRvgq966yZg&list=PLblh5JKOoLUICTaGLRoHQDuF_7q2GfuJF&index=29
Day 24 of #66DaysofData (01/24/21):
I watched the Youtube Video, StatQuest: PCA main...

### StatQuest: Linear Models Pt.1 – Linear Regression

For Day 11 of #66DaysofData:
I watched the Youtube Video, StatQuest: Linear Models Pt.1 - Linear Regression.
https://www.youtube.com/watch?v=nk2CQITm_eo&t=1043s

### Hierarchical and Network Models

For Day 10 of #66DaysofData:
I was reading about the Evolution of Data Models in the book DataBase Systems: Design, implementation, & Management by Carlos...

### Intro to Linear Modeling

Day 8, Day 9 of #66DaysofData: Datacamp - Introduction to Linear Modeling in Python.
Exploring Linear Trends - (Day 8)
Interpolation is a model prediction for...

### Least Squares

Day 7 of #66DaysofData.
"The method of least squares is a standard approach in regression analysis to approximate the solution of overdetermined systems (sets of...

### Receiver Operating Characteristic Curve (ROC)

Day 6 of #66DaysofData.com: Receiver Operating Characteristic Curve (ROC)
https://www.youtube.com/watch?v=4jRBRDbJemM&list=PLblh5JKOoLUICTaGLRoHQDuF_7q2GfuJF&index=6

### Bias – Variance Tradeoff

Day 5 of #66DaysofData.com: Bias - Variance Tradeoff.
Videos
https://www.youtube.com/watch?v=EuBBz3bI-aA
https://www.youtube.com/watch?v=SjQyLhQIXSM

### Sensitivity & Specificity

Day 4 of #66DaysofData.com.
I watched videos on Sensitivity & Specificity.
Sensitivity = TP / (TP + FN)
Specificity: TN / (TN + FP)
Videos
https://www.youtube.com/watch?v=vP06aMoz4v8&list=PLblh5JKOoLUICTaGLRoHQDuF_7q2GfuJF&index=4
https://www.youtube.com/watch?v=Z5TtopYX1Gc
https://www.youtube.com/watch?v=FnJ3L-63Cf8

### Confusion Matrix

Day 3 of #66DaysofData.com.
I watched 2 Confusion Matrix videos: One on StatQuest and the other on Udemy(Machine Learning A-Z™: Hands-On Python & R In...

### Cross Validation

Day 2 of #66DaysofData.com: Cross Validation. I watched 2/69 videos in the playlist “Machine Learning” on Youtube’s StatQuest.
Video
https://www.youtube.com/watch?v=fSytzGwwBVw&list=PLblh5JKOoLUICTaGLRoHQDuF_7q2GfuJF&index=2