I know this is a duplicate Q but I can't seem to find the post again Using the following data df <- data.frame(A=c(1,1,2,2),B=c(NA,2,NA,4),C=c(3,NA,NA,5),D
I have created an .md file, but to preview it in pdf format Rstudio requires MacTeX installation. I've installed it, read README file, everything is there, the
My dataframe which I read from a csv file has column names like this abc.def, ewf.asd.fkl, qqit.vsf.addw.coil I want to remove the '.' from all the names and
When I run a Tweedie GLM, one can get the prediction from the link by doing exp(link). To get the prediction for a Tweedie GLM, I get the prediction from the li
I keep trying to reorder my variables using this function: ces2019 <- mutate(ces2019,vote_intention = fct_recode(vote_intention,"Certain Not to vote" = "(4)
I found this easy way to create a correlation heatmap using ggplot2: data(attitude) library(ggplot2) library(reshape2) ggplot(melt(cor(attitude)), aes(Var1,
How would I got about installing multiple packages in R? I tried the following code: install.packages("EIAdata", "gdata", "ggmap", "ggplot2","gridExtra","ISO
What is behind Approx and approxfun? I know that these two functions perform a linear interpolation, however I didn't find any reference on how they do that. I
Is it possible to generate a list of sheetnames within an xlsx file? Or perhaps, can I check if a sheet name exists, and if not, proceed with some designated fu
Right now im trying to figure out how to solve standard constrained optimization problems in R which would usually be solved by hand with the use of a lagrangia
Consider the following example: p <- ggplot(data = data.frame(A=c(1,2,3,4,5,6,7,8),B=c(4,1,2,1,3,2,4,1),C=c("A","B","A","B","A","B","A","B"))) p <- p + g
I'm trying to extract model coefficients from R into a data frame that I can then combine into one large dataset with some other model results from Stata. Using
I am using R, RStudio and the leaflet package to visualise a map. I would like to get the the min and max lat-longs of of the bounding box of a leaflet object.
I have a data table with two small columns. I want to do a pairwise comparison between the values. The first column is results of one test an
Is there a definitive way to save options or information pertaining to a certain package between sessions? For example say somebody made a game and released it
I am trying to upload multiple Excels files (same format) and each of these files has multiple sheets, in nature each Excel file has information about a hotel b
I have a data.frame with multiple time series vectors against a date:time vector. I would like to plot all of the relevant vectors, vertically stacked on separa
Does anyone have an example of how to use static branching from the targets package (R)? I'm reading targets manual on static branching but I'm having a hard ti
I am fairly certain I have seen a solution for this somewhere, but as I have been unable to find it, here is my problem. I have some time series data identifi
To create the data frame: num <- sample(1:25, 20) x <- data.frame("Day_eclosion" = num, "Developmental" = c("AP", "MA", "JU", "L"), "Replicate" = 1:5)