Add Error Bar To Bar Plot In R
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to create a barplot with SEM error bars Aubrie Holman SubscribeSubscribedUnsubscribe Loading... Loading... Working... Add to Want to watch this again later? Sign in to add this video to a playlist. Sign in Share More Report Need to report the video? Sign in
Add Error Bars To Barplot In R
to report inappropriate content. Sign in Transcript Statistics 2,193 views 5 Like this video? barplot with error bars ggplot2 Sign in to make your opinion count. Sign in 6 1 Don't like this video? Sign in to make your opinion count. error bar in r Sign in 2 Loading... Loading... Transcript The interactive transcript could not be loaded. Loading... Loading... Rating is available when the video has been rented. This feature is not available right now. Please try again later. Published https://www.r-bloggers.com/building-barplots-with-error-bars/ on Oct 30, 2015 Category Education License Standard YouTube License Loading... Autoplay When autoplay is enabled, a suggested video will automatically play next. Up next Learn R - Bar Charts with Error Bars in Ggplot2 - Duration: 27:28. Erin Buchanan 3,162 views 27:28 R Statistics tutorial: Creating bar charts for categorical variables | lynda.com - Duration: 9:06. Lynda.com 1,906 views 9:06 Learn R - Line Graphs with Error Bars in Ggplot2 - https://www.youtube.com/watch?v=4Y3ZjFRwMX0 Duration: 34:05. Erin Buchanan 1,386 views 34:05 Creating a Basic Bar Plot in R (Data Science & Statistics) - Duration: 24:34. Tim Layton 965 views 24:34 Plotting in R tutorial: Gorgeous graphs with ggplot2 - Duration: 32:05. deltaDNA 24,170 views 32:05 Creating Barplots in RStudio - Duration: 4:38. UTSSC 10,610 views 4:38 R Tutorial - Customizing Your Plots In R - Duration: 4:30. DataCamp 984 views 4:30 Excel Graphs With Error Bars Tutorial By Nestor Matthews - Duration: 14:12. Nestor Matthews 12,819 views 14:12 R tutorial: Creating bar charts for categorical variables | lynda.com - Duration: 13:21. Lynda.com 9,849 views 13:21 Constructing and plotting confidence intervals for means in R - Duration: 8:32. iquit-vids 4,935 views 8:32 Graphs and Error bars with Numbers - Duration: 7:07. Amanda M. Noller 9,346 views 7:07 Types of error-bars for mean: SD SE CI - Duration: 9:29. Ayumi Shintani 2,208 views 9:29 Standard Deviation using R Programming - Statistics Tutorial - Duration: 3:39. Edward Kench 11,243 views 3:39 Descriptive Statistics in R: Mean, Standard Deviation, Frequencies, etc (R Tutorial 2.7) - Duration: 6:50. MarinStatsLectures 71,155 views 6:50 SPSS for newbies: How to create an error bar chart - Duration: 9:00. Phil Chan 29,582 views 9:00 Creating Boxplots in RStudio - Duration: 4:17. UTSSC 19,844 views 4:17 bar g
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta http://stackoverflow.com/questions/29768219/grouped-barplot-in-r-with-error-bars Discuss the workings and policies of this site About Us Learn http://rstatistics.tumblr.com/post/470327991/make-a-barplot-with-errorbars-now-this-is-a more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, error bar helping each other. Join them; it only takes a minute: Sign up Grouped barplot in R with error bars up vote 4 down vote favorite 1 Dear Stackoverflow users, I would like to draw a grouped barplot with error bars. Here is the kind of figure I have been able to get up to now, and this error bar plot is ok for what I need: And here is my script: #create dataframe Gene<-c("Gene1","Gene2","Gene1","Gene2") count1<-c(12,14,16,34) count2<-c(4,7,9,23) count3<-c(36,22,54,12) count4<-c(12,24,35,23) Species<-c("A","A","B","B") df<-data.frame(Gene,count1,count2,count3,count4,Species) df mean1<-mean(as.numeric(df[1,][c(2,3,4,5)])) mean2<-mean(as.numeric(df[2,][c(2,3,4,5)])) mean3<-mean(as.numeric(df[3,][c(2,3,4,5)])) mean4<-mean(as.numeric(df[4,][c(2,3,4,5)])) Gene1SpeciesA.stdev<-sd(as.numeric(df[1,][c(2,3,4,5)])) Gene2SpeciesA.stdev<-sd(as.numeric(df[2,][c(2,3,4,5)])) Gene1SpeciesB.stdev<-sd(as.numeric(df[3,][c(2,3,4,5)])) Gene2SpeciesB.stdev<-sd(as.numeric(df[4,][c(2,3,4,5)])) ToPlot<-c(mean1,mean2,mean3,mean4) #plot barplot plot<-matrix(ToPlot,2,2,byrow=TRUE) #with 2 being replaced by the number of genes! tplot<-t(plot) BarPlot <- barplot(tplot, beside=TRUE,ylab="count", names.arg=c("Gene1","Gene2"),col=c("blue","red")) #add legend legend("topright", legend = c("SpeciesA","SpeciesB"), fill = c("blue","red")) #add error bars ee<-matrix(c(Gene1SpeciesA.stdev,Gene2SpeciesA.stdev,Gene1SpeciesB.stdev,Gene2SpeciesB.stdev),2,2,byrow=TRUE)*1.96/sqrt(4) tee<-t(ee) error.bar(BarPlot,tplot,tee) The problem is that I need to do this for 50 genes, and 4 species, so my script is gonna get super super long and I guess this is not optimized... I tried to find help here but I can't figure out a better way to do what I'd like. If I did not need error bars I could adapt this script but the tricky part is to mix ggplot beautiful barplots and error bars! ;) If you have any idea to optimize my script, I would really appreciate! :) Thanks a lot! r ggplot2 bar-chart share|improve this question asked Apr 21 '15 at 9:32 tlorin 1
a barplot with errorbars Now this is a tricky one: I wrote a script to plot a barplot with errorbars. I used the following script: #barplot where x is the independent on the x-axis, y is the #dependent on the y-axis and z is the independent given by #different colored bars anova.plot<-function(x, y, z, ylab="y", xlab="x", ylim=c(0, max(xx)+max(yy)), length=0.05){ #height of the bars xx<-tapply(y,list(z,x),mean) #standard deviation yy<-tapply(y,list(z,x),sd) #number of replicates zz<-tapply(y,list(z,x),length) #standard error er<-yy/sqrt(zz) #number of colors for bars w<-length(levels(z)) #simple barplot without the errorbars barx<-barplot(xx, col=c(1:w), beside=T, ylab=ylab, xlab=xlab, ylim=ylim,xpd=FALSE) #box around the plot box() #error bars arrows(barx,xx+er, barx, xx, angle=90, code=1, length=length) #legend (after making the plot, indicate where the legend has #to come with the mouse) legend(locator(1),c(levels(z)),fill=c(1:w),bty="n",cex=0.8) } If you have set your palette to: palette(c("grey25","grey50","grey75","white")) you get a plot like the one above if you use: anova.plot(x,y,z) (6 years ago) archive : rss : theme "2001" by 54mf : powered by Tumblr