As advised, I used some code samples in another forum, but it could not improve the problem. My question is the “invalid type (list) for variable” in r – How to solve it? The command line is:
ITtutoria Latest Questions
Here is the program I run: Transaction <- function(PnL, Day) results <- list(a = PnL, b = Day) return(results) Day <- Transaction(PnL, Day)["b"] moving_avg <- function(StockData, MA, ...
Here is the program I run: install.packages("weatherData") library(weatherData) istanbul <- getWeatherForDate("Istanbul", start_date = Sys.Date() - 41, end_date = Sys.Date()) After I run, it returns an error: Quitting from lines 3-31 (ist_weather.spin.Rmd) ...
I’m building a new program, but when I run it, an error pops up. The error displayed is as follows: error in plot.window(need finite 'ylim' values) I have tried several workarounds, but they still do not get the ...
I’m building a new program but when I run it, an error pops up. The error displayed is as follows: Error in file(file, ifelse(append, "a", "w")) : cannot open the connection In addition: warning message: In ...
I get the “requires numeric/complex matrix/ vector arguments in R” error as the title says. How can I fix it so the error goes away? Here is my detail: ma=diag(3)+t(da)%*%da V45 V46 V47 V48 ...
For the problem “error in lm.fit(x, y, offset = offset, singular.ok = singular.ok, …) : 0 (non-na) cases.” I tried to fix it, but It doesn’t work and returns the result I want. Here is my program:
I’m trying to run a new project. I do a couple of things like this: date trt var val 1/8/2008 cc sw5 0.2684138 1/8/2008 cc sw15 0.2897586 1/8/2008 cc sw5 0.2822414 2/8/2008 cc sw5 0.2494583 2/8/2008 cc ...
I am new to r and searching the “dim(x) must have a positive length” to understand it better. It seems it doesn’t work as expected when I used some suggestions before. Here is the command line I use:
Recently, I ran some of my r code, and it gave the warning text: Error in plot.xy(xy.coords(x, y), type = type, ...) : plot.new has not been called yet While searching, I realized that some people ...