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Wrapping R libraries with Rpy

文江博客开发文档 Computational Statistics in Python 文章详情

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Check with R

发布于 2025-02-25 23:43:56 字数 1083 浏览 0 评论 0 收藏 0

%load_ext rpy2.ipython

%%R
install.packages("pwr", repos ="http://cran.us.r-project.org")
library(pwr)

power.t.test(sig.level=0.05, power=0.8, delta = 0.5)

trying URL 'http://cran.us.r-project.org/bin/macosx/mavericks/contrib/3.1/pwr_1.1-2.tgz'
Content type 'application/x-gzip' length 53156 bytes (51 Kb)
opened URL
==================================================
downloaded 51 Kb


The downloaded binary packages are in
    /var/folders/xf/rzdg30ps11g93j3w0h589q780000gn/T//RtmpWSpKKL/downloaded_packages

     Two-sample t test power calculation

              n = 63.76576
          delta = 0.5
             sd = 1
      sig.level = 0.05
          power = 0.8
    alternative = two.sided

NOTE: n is number in each group

Characterizing Monte Carlo samples

Given a bunch of random numbers from a simulaiton experiment, one of the first steps is to visualize the CDF and PDF.

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