Data Manipulation and PCA (Principal Component Analysis )
MP4 | Video: AVC 1280x720 | Audio: AAC 44KHz 2ch | Duration: 1 Hours | Lec: 12 | 912 MB
Genre: eLearning | Language: English
In this course, we learn the following:
How toStet a working directory
How toImport a txt or csv file
How toeliminate duplicate rows in the data
How to detect rows containing missing values
How toeliminate rows containing missing values
How toreplace missing values
How to select a subset of the data basedon specifics criteria
How todo arithmetic on columns
Howdetect strongly correlated variable (some nice Descriptions for visualization )
How tocompute the correlation matrix , the eigenvalue and eigenvector
How select the number of components
How tocompute the components
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