Search Archives

Colleagues, I have data which has a .asc file extension. Can R read that file extension? All the best, Thomas Subia Statistician

Colleagues, Some co-workers are wondering about how secure R software is. Is there any documentation on this which I can forward to them? All the best, Thomas Subia Quality Engineer

Colleagues, Thanks for the update. My colleagues at work have run this script but the resulting graph output for value is rounded. How can one turn this annoying feature off? I've googled this but to no avail. [[alternative HTML...

Hello all, Zeki(?) reported: > ggplot(data = mtcars, aes(x= wt, y= mpg)) + geom_line() > Error: Found object is not a stat. Using R v3.4.62 and R studio, I'm unable to reproduce this error. All the best, Thomas...

Colleagues, Can anyone suggest a package or code which might help me calculate the minimum sample size required to estimate the population variance? I can do this in Minitab but I'd rather do this in R. Thomas Subia [[alternative...

Colleagues, age_days <- difftime(Date,DOM,units="days") date_vals$age_yrs <- age_days/365.242 I'm trying to calculate the number of years between DOM and Date. The output reads DOM Date age_yrs 1 2005-04-04...

Colleagues, When using Levene's test, I can identify if there are any differences in variance between factors. This is straight forward Is there a way to do a post hoc test to identify variance differences between factors? This is...

Colleague, smokers? <- c( 83, 90, 129, 70 ) patients <- c( 86, 93, 136, 82 ) pairwise.prop.test(smokers, patients) # Output ????Pairwise comparisons using Pairwise comparison of proportions data:??smokers out of patients ?? 1???? ?????? 2???? ?????? 3???? 2 1.000 ????-???? ??????? -???? 3 1.000...

Brinkley, I am using R studio with R version 4.2.0 (2022-04-22 ucrt) Platform: x86_64-w64-mingw32/x64 (64-bit) Running under: Windows 10 x64 (build 19045) I cannot reproduce your error messages. That being said...

Colleagues, I attempted to copy data from the clipboard and use rcompanion's transformTukey command in an attempt to normalize the dataset. data = read.delim("clipboard") head(data) Flatness 1 7e-04 2 1e-03 3 8e-04 4 5e...

Thanks for writing this great piece of code. x = rnorm(100) boxplot(x) # you shouldn't see any outliers here although sometimes yow will # lets add some outliers intentionally x = c(21, 20, 25, x) # now 10, 15 and 20...

Colleagues, I've got several text files which contain data for each metric I need to report on.One text file contains the serial number data. Another has customer and work order number. Another has test data. All text files...

Consider: x <- seq(-5,5,length.out = 100) y <- x^2 data <- data.frame(x,y) library(ggplot2) ggplot(data,aes(x,y))+ ? stat_function( ? ? fun = function(x) x^2, ? ? color = "blue", linewidth = 1.25 ? ) + ? theme_linedraw() I'd like...

Colleagues ?Consider smokers? <- c( 83, 90, 129, 70 ) patients <- c( 86, 93, 136, 82 ) ?prop.trend.test(smokers, patients) ?Output: ???? Chi-squared Test for Trend inProportions ?data:??smokers out of patients , using scores: 1 2 3 4 X-squared = 8...

Colleagues When executing pdf_combine(files, output= "joined.pdf") I get the following error: Error_cpp_pdf_combine(input,output, password) : open c:\temp\10678.pdf: Too many open files Directory temp contains 720 pdf files. I changed the number...

Colleagues, Here is my reproducible code for a graph using geom_smooth set.seed(55) scatter_data <- tibble(x_var = runif(100, min = 0, max = 25) ?????????????????????? ,y_var = log2(x_var) + rnorm(100)) library(ggplot2) library(cowplot) ggplot(scatter_data...

Ferri, Radar Charts are often used to compare two or more items or groups on various features or characteristics. However, as the number of groups increases, the user has a harder time making comparisons between groups. As the number of...

Colleagues, ?I have a workbook which has 3 worksheets I need to extract data from two specific cells from one ofthose worksheets. ? I can use read_excel to do this for one file. data<-read_excel("C:/Desktop/Excel_raw...

Colleagues Here is my reproducible code plot_ly( ? domain = list(x = c(0, 1), y = c(0, 1)), ? value = 2874, ? title = list(text = "Generic"), ? type = "indicator", ? mode = "gauge+number+delta", ? delta = list(reference = 4800), ? gauge = list( ??? axis =list(range = list...

Colleagues, Here is my dataset. Serial Measurement Meas_test Serial_test 1 17 fail fail 1 16 pass fail 2 12 pass pass 2 8 pass pass 2 10 pass pass 3 19 fail fail 3 13 pass pass If...