Error with select function from dplyr?

When I use the select function from dplyr, it doesn't work and gives me an error stating that the column names that ...

Concatenating two text columns in dplyr?

My data look like this: round <- c(rep("A", 3), rep("B", 3)) experiment <- rep(c("V1", "V2", "V3"), 2) result...

Looping over factor levels in R - how to operate two consecutive levels?

I need to loop over factor levels in an R data.frame. Inside the loop I need to do operations for data.frames that i...

combining ifelse statement mutate and sequence in dplyr pipe?

I want to replace cities names in a D3.js bubble chart like this one How to display d3 bubbles in different colors f...

Error in ts(x) : 'ts' object must have one or more observations?

When I do forecast using forecast library, I noticed following code does not run as expected: library(forecast) lib...

“Adding missing grouping variables” message in dplyr in R?

I have a portion of my script that was running fine before, but recently has been producing an odd statement after w...

Error in bind_rows_(x, .id) : Argument 1 must have names?

Here is a code snippet: y <- purrr::map(1:2, ~ c(a=.x)) test1 <- dplyr::bind_rows(y) test2 <- do.call(dply...

Error message when running simple 'rename' function in R?

Below a very simple data frame example I found in the internet. Running this in RStudio on my machine turns out an e...

dplyr::select function clashes with MASS::select?

If I load the MASS package: library(MASS) then load try to run dplyr::select, I get a error: library(dplyr) mtca...

number of rows of result is not a multiple of vector length (arg 2) in R?

I have new question related with this my topic deleting outlier in r with account of nominal var. In new case variab...

dplyr::n() returns “Error: Error: n() should only be called in a data context ”?

I got for the following code for (i in c(1:(ncol(df_multi_paths_cols) - 1))) { df_cache <- df_multi_paths_col...

What does “tbl” stand for in R (for example in dplyr package)??

In the dplyr package they talk about tbl, how one can join them and so on. I have looked everywhere for an explanat...

Generate a dummy-variable?

I have trouble generating the following dummy-variables in R: I'm analyzing yearly time series data (time period ...

Error in ggplot.data.frame : Mapping should be created with aes or aes_string?

I am having a trouble while extracting the path from a ggplot and am stuck with an error. The image given below ex...