## Fitting Principal Component Analysis

Dimensionality Reduction Through Principal Component Analysis

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Dimensionality Reduction Through Principal Component Analysis

They are different.

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.

2,963 Amazonian reviews are covered in this post.

The magic of cumsum() is demonstrated in this post.

Let’s analyze 3,320 reviews from Googlers.

We can use colnames() to change column names.

Using diff() for subtracting value from a previous row.

Using anova() to compare 2 nested models.

Using Support Vector Machine (SVM) for Regression.