# R 视频教程（英文版带数据）

 Title File(s) Description Install How to download and install R Libraries and Packages How to download new packages and update to new version of R Reading in Files Reading in text, csv, csv2, excel, tab delimited, fixed width, and SAS files Inputting Data Inputting_Data.txt How to get your data into R Getting Help in R Help with R function, search help, search r-project.org Saving Work Using R scripts, saving work as pdf and eps files Basic Statistics Basic_Statistics.txt sum, mean, median, minimum, maximum, standard deviation Sequences Sequences.txt How to create a sequence with various restrictions Random Number Generator Random_Numbers_Generators.txt generating numbers from normal, uniform, t, and chi-square distribution, setting seed Sampling Sampling.txt Random Samples and Permutations Dates Dates.txt How to read in dates of various formats Time Intervals Time_Intervals.txt time intervals and time sequences Graphs dividing graphics window,linear model,adding a line,identifying points,qqnorm and qqline functions,box cox transformation Simple R Session reading in file, quantiles, boxplot, histogram, regression Chi-Square Chi-Square.txt goodness of fit test, pbinom function Power and Sample Size Power_and_Sample_Size.txt finding ‘n’, finding power, paired t.test, power for proportion test Bootstrapping Bootstrapping.txt resampling, confidence intervals, histograms Omitting Cases Stacking Data stack function, omitting cases, identify points One Way ANOVA One_Way_ANOVA.txt basic Analysis of Variance ANOVA anova.txt assigning factor levels and Analysis of Variance table Two Way ANOVA with Interaction 2_Way_ANOVA_with_interaction.txt ANOVA with Interaction term Nested with Random Effects Nested_with_Random_Effects.txt ANOVA, mixed effects model (lmer)