a repo for a sequence of courses "Data Science" of Johns Hopkins University— @ coursera.org

the Data Science Specification link is : https://www.coursera.org/specialization/jhudatascience/1?utm_medium=listingPage

1.Data Scientist's Toolbox is finished on Dec 20, 2014

the course url is https://class.coursera.org/datascitoolbox-016

Grade Achieved: 100.0% with Distinction

2.R programming is finished on Feb 1st, 2015

the course url is https://class.coursera.org/rprog-010

Grade Achieved: 100.0% with Distinction

3.Getting and Cleaning Data in progress

https://class.coursera.org/getdata-011 as first try given up for the break during spring festival

next try Apr 6 ~ May 4

4.swirl interactively learning R, more info here http://swirlstats.com/

R Programming done:

1: Basic Building Blocks
2: Workspace and Files
3: Sequences of Numbers
4: Vectors
5: Missing Values
6: Subsetting Vectors
7: Matrices and Data Frames

todo:

8: Logic
9: lapply and sapply
10: vapply and tapply
11: Looking at Data
12: Simulation
13: Dates and Times
14: Base Graphics

5.Introduction to Computational Finance and Financial Econometrics(https://class.coursera.org/compfinance-008) in progress

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