PDF R for Statistics

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It includes code for obtaining descriptive statistics , frequency counts and crosstabulations including tests of independence , correlations pearson, spearman, kendall, polychoric , t-tests with equal and unequal variances , nonparametric tests of group differences Mann Whitney U, Wilcoxon Signed Rank, Kruskall Wallis Test, Friedman Test , multiple linear regression including diagnostics, cross-validation and variable selection , analysis of variance including ANCOVA and MANOVA , and statistics based on resampling.

Since modern data analyses almost always involve graphical assessments of relationships and assumptions, links to appropriate graphical methods are provided throughout. It is always important to check model assumptions before making statistical inferences. Although it is somewhat artificial to separate regression modeling and an ANOVA framework in this regard, many people learn these topics separately, so I've followed the same convention here.

1st Edition

Regression diagnostics cover outliers, influential observations, non-normality, non-constant error variance, multicolinearity, nonlinearity, and non-independence of errors. The identification of multivariate outliers is also considered. Power analysis provides methods of statistical power analysis and sample size estimation for a variety of designs. You can access your lectures, readings and assignments anytime and anywhere via the web or your mobile device.

In the later courses in the Specialization, we assume knowledge and skills equivalent to those which would have been gained in the prior courses for example: if you decide to take course four, Bayesian Statistics, without taking the prior three courses we assume you have knowledge of frequentist statistics and R equivalent to what is taught in the first three courses.

Coursera courses and certificates don't carry university credit, though some universities may choose to accept Specialization Certificates for credit.

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Check with your institution to learn more. In this specialization, R is a requirement, and the labs have been enhanced and revised from the previous course.

Tutorials on Advanced Stats and Machine Learning With R

Success in the fourth course and the capstone project will depend heavily on successfully completing the first three courses in this specialization. Therefore, we require all students complete all courses to obtain the certificate. You will need R and RStudio. Both are free and publicly available.

You will need administrator access to your computer to install this software.

2. You can build and host interactive web apps in just a few lines of code

More questions? Visit the Learner Help Center. Browse Chevron Right. Data Science Chevron Right. Probability and Statistics.

Towards Data Science

Offered By. Statistics with R Specialization Duke University. About this Specialization 70, recent views. Flexible Schedule. Flexible Schedule Set and maintain flexible deadlines. Beginner Level. Hours to complete. Available languages. English Subtitles: English, Korean.

Chevron Left. How the Specialization Works.

Take Courses A Coursera Specialization is a series of courses that helps you master a skill. Hands-on Project Every Specialization includes a hands-on project. Earn a Certificate When you finish every course and complete the hands-on project, you'll earn a Certificate that you can share with prospective employers and your professional network. There are 5 Courses in this Specialization. Course 1. Course 2. Course 3. Course 4.

Show More. About Duke University Duke University has about 13, undergraduate and graduate students and a world-class faculty helping to expand the frontiers of knowledge.

10 things R can do that might surprise you

The university has a strong commitment to applying knowledge in service to society, both near its North Carolina campus and around the world. Chevron Right Can I just enroll in a single course? Chevron Right Is financial aid available? Chevron Right Can I take the course for free?

R programming for beginners - Why you should use R