* using log directory ‘/data/blackswan/ripley/R/packages/tests-devel/AutoAds.Rcheck’
* using R Under development (unstable) (2025-11-16 r89026)
* using platform: x86_64-pc-linux-gnu
* R was compiled by
    gcc (GCC) 14.2.1 20240912 (Red Hat 14.2.1-3)
    GNU Fortran (GCC) 14.2.1 20240912 (Red Hat 14.2.1-3)
* running under: Fedora Linux 40 (Workstation Edition)
* using session charset: UTF-8
* checking for file ‘AutoAds/DESCRIPTION’ ... OK
* checking extension type ... Package
* this is package ‘AutoAds’ version ‘0.1.0’
* package encoding: UTF-8
* checking package namespace information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking if there is a namespace ... OK
* checking for executable files ... OK
* checking for hidden files and directories ... OK
* checking for portable file names ... OK
* checking for sufficient/correct file permissions ... OK
* checking whether package ‘AutoAds’ can be installed ... [12s/12s] OK
* checking package directory ... OK
* checking DESCRIPTION meta-information ... OK
* checking top-level files ... OK
* checking for left-over files ... OK
* checking index information ... OK
* checking package subdirectories ... OK
* checking code files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... OK
* checking whether the package can be loaded with stated dependencies ... OK
* checking whether the package can be unloaded cleanly ... OK
* checking whether the namespace can be loaded with stated dependencies ... OK
* checking whether the namespace can be unloaded cleanly ... OK
* checking loading without being on the library search path ... OK
* checking dependencies in R code ... OK
* checking S3 generic/method consistency ... OK
* checking replacement functions ... OK
* checking foreign function calls ... OK
* checking R code for possible problems ... [14s/15s] OK
* checking Rd files ... OK
* checking Rd metadata ... OK
* checking Rd line widths ... OK
* checking Rd cross-references ... OK
* checking for missing documentation entries ... OK
* checking for code/documentation mismatches ... OK
* checking Rd \usage sections ... OK
* checking Rd contents ... OK
* checking for unstated dependencies in examples ... OK
* checking examples ... OK
* checking examples with --run-donttest ... ERROR
Running examples in ‘AutoAds-Ex.R’ failed
The error most likely occurred in:

> ### Name: plot_trend_and_forecast
> ### Title: Plot with trend and forecast
> ### Aliases: plot_trend_and_forecast
> ### Keywords: dplot hplot models regression ts
> 
> ### ** Examples
> ## No test: 
> ## The function is currently defined as
> plot_trend_and_forecast <- function(data, x_col, y_col, group_col) {
+   data$Date <- as.Date(data$Date)
+   data_groups <- split(data, data[[group_col]])
+   for (group in names(data_groups)) {
+     group_data <- data_groups[[group]]
+     time_series <- ts(group_data[[y_col]], frequency = 1, start = min(group_data[[x_col]]))
+     arima_model <- auto.arima(time_series)
+     forecast <- forecast(arima_model, h = 6)
+     forecast_dates <- seq(max(group_data[[x_col]]) + 1,
+     to = max(group_data[[x_col]]) + length(forecast$mean),
+     by = "day")
+     forecast_data <- data.frame(Date = forecast_dates, Forecast = forecast$mean)
+     print(ggplot() +
+             geom_line(data = group_data, aes(x = !!rlang::sym(x_col), y = !!rlang::sym(y_col))) +
+             geom_line(data = forecast_data, aes(x = Date, y = Forecast), color = "blue") +
+             geom_ribbon(data = forecast_data, aes(x = Date, ymin = forecast$lower[, 2],
+             ymax = forecast$upper[, 2]), fill = "blue", alpha = 0.2) +
+             labs(x = x_col, y = y_col, title = group) +
+             theme_minimal())
+   }
+ }
> 
> ## Example of use:
> data <- data.frame(
+   Date = c("2022-07-01", "2022-07-02", "2022-07-03", "2022-07-29", "2022-07-30", "2022-07-31"),
+   Block = c("1_234", "1_234", "1_234", "1_235", "1_235", "1_235"),
+   Requests = c(372234, 268816, 291224, 1928854, 1928290, 786539),
+   Impressions = c(18537, 12432, 13764, 2839269, 2682648, 1114773),
+   Revenue = c(13.5, 9.13, 8.85, 1669.0, 1654.0, 739.0),
+   Clicks = c(1167, 720, 856, 214451, 196657, 93178),
+   Viewable = c(13320, 8214, 9768, 2446884, 2243865, 1063158)
+ )
> plot_trend_and_forecast(data, "Date", "Impressions", "Block")
Error in auto.arima(time_series) : could not find function "auto.arima"
Calls: plot_trend_and_forecast
Execution halted
* checking PDF version of manual ... OK
* checking for non-standard things in the check directory ... OK
* checking for detritus in the temp directory ... OK
* checking for new files in some other directories ... OK
* DONE

Status: 1 ERROR
See
  ‘/data/blackswan/ripley/R/packages/tests-devel/AutoAds.Rcheck/00check.log’
for details.

Command exited with non-zero status 1
Time 1:42.37, 82.79 + 15.95