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Microsoft Azure Machine Learning

You're reading from  Microsoft Azure Machine Learning

Product type Book
Published in Jun 2015
Publisher
ISBN-13 9781784390792
Pages 212 pages
Edition 1st Edition
Languages
Authors (2):
Sumit Mund Sumit Mund
Profile icon Sumit Mund
Christina Storm Christina Storm
Profile icon Christina Storm
View More author details
Toc

Table of Contents (21) Chapters close

Microsoft Azure Machine Learning
Credits
About the Author
Acknowledgments
About the Reviewers
www.PacktPub.com
Preface
Introduction ML Studio Inside Out Data Exploration and Visualization Getting Data in and out of ML Studio Data Preparation Regression Models Classification Models Clustering A Recommender System Extensibility with R and Python Publishing a Model as a Web Service Case Study Exercise I Case Study Exercise II Index

Data manipulation


You may need to manipulate data to transform it to the required format. The following are some of the frequently used scenarios and modules available.

Clean Missing Data

Clean missing data and missing values in data are probably the most common problems you need to fix before data analysis. When missing values are present, certain algorithms may not work or you may not have the desired result. So, you need to get rid of the missing values either by replacing them with some logical values or by removing the existing row(s) or column(s).

ML Studio comes with a module, Clean Missing Data, to solve this exact problem. It lets you either remove the rows or columns that have missing values or lets you replace the values in the rows and columns with one of the these: mean, median, mode, custom values, a value that uses the probabilistic form of Principal Component Analysis (PCA), or Multiple Imputation by Chained Equations (MICE). MICE is a statistical technique that updates each...

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