Fitting Principal Component Analysis
Dimensionality Reduction Through Principal Component Analysis
Month: October 2017
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They are different.
2017 H1B Visa Data: Overview
The first post in the H1B Visa series covers an overview of the H1B data. Employers, number of applications, case status and times series of the submission and decision dates are covered.
Amazon
2,963 Amazonian reviews are covered in this post.
Adding a Cumulative Sum Column
The magic of cumsum() is demonstrated in this post.
Let’s analyze 3,320 reviews from Googlers.
Changing Column Names
We can use colnames() to change column names.
Subtracting Value from a Previous Row
Using diff() for subtracting value from a previous row.
Anova and Model Comparison
Using anova() to compare 2 nested models.
Fitting Support Vector Machine – Regression
Using Support Vector Machine (SVM) for Regression.