I have a dataframe of family relationships (parent, child, spouse, etc.) which is partially filled as per example below. I am trying to use R to fill in the mis
I want to match a regular expression special character, \^$.?*|+()[{. I tried: x <- "a[b" grepl("[", x) ## Error: invalid regular expression '[', reason 'M
I would like to subset text from an original word docx ("original.docx") into a new word docx ("desired.docx"), AFTER the match of the phrase "Drop Text Before
I have 200 workbooks (1 per subject) with two sheets each. I was able to merge all sheets 1 and all sheets 2 in two separate data frames using the following scr
I made a function that takes a dataframe as argument, and creates two dataframes in output according to a threshold value of one of the columns. These 2 output
I am trying to use VS Code to run R. When I open R terminal in VS Code, I cannot find R icon on the left most column. I created a .r file, loaded that into VS
I used write.table(mat, "clipboard-1024", sep="\t", row.names=FALSE) to copy from R to Excel in previous versions. After updating to 4.2.0 it copies columns nam
so I'm using srvyr to calculate survey means of a variable (y) from a survey object, grouping by a categorical variable (x) from that same survey object, and th
I am using R to work with some dataframes. My issue is related on how to check if values in a variable in a first dataframe match with values in another datafra
Minimal working example: library(dplyr) df = data.frame(group_id = c("G1","G1", rep("G2",8)), prod_id = c(1,2,5,6,7,8,9,10,11,12),
I defined a function creates 3 random numbers from 1 to 36, and I allowed repetition. I want to test how many times I can get three same numbers in one hand in
I am trying to create a Shiny app, in which users can select an "option" in the drop-down box(created using selectInput) and Shiny will display the data table a
I would like to animate a ggplot with gganimate using geom_area with different values for the years between 2000 and 2050. However, for some reason if I include
I would like to have a table as ouptut where I have the t-statistics between the difference in means of certain variables and based on two specific subsets of m
I am constantly getting warning message like : as.is should be specified by the caller using true Code is like : difficulty_data <- data_original[,c(-1)] %
I saved a table created by gt in HTML using gtsave. I'm having trouble loading and displaying this small HTML table in Shiny The HTML table is at: https://filed
I am trying to add a column in an imputed dataset (I used mice). I managed to transform the imputed dataset in a dataframe, add the column that comes from anoth
I would like to fit a Cox model for prediction of 1-year survival using a specific set of predictors. The data contains 78 events in 620 subjects. I don't think
I have a dataframe that contains NA values, and I want to remove some rows that have an NA (i.e., not complete cases). However, I only want to remove rows at th
I simply cannot get these functions: symbolicInt and integral. Not sure why. I just re-installed everthing. I thought maybe it was becuase of the libraries but