Note that your unit.variable and unit.names.variable are indentical. Is this what you intended?
(I have no idea how the Synth package works). Bert On Tue, Apr 16, 2024 at 12:58 AM <nadja.delliehau...@bluewin.ch> wrote: > Good Morning > > > > I want to perform a synthetic control method with R. For this purpose, I > created the following code: > > > > # Re-load packages > > library(Synth) > > library(readxl) > > > > # Pfadeinstellung Excel-Blatt > > excel_file_path <- > ("C:\\Users\\xxxxx\\Desktop\\DATA_INVESTMENTVOLUMEN_FOR_R_WITHOUT_NA.xlsx") > > > > # Load the Excel file > > INVESTMENTVOLUME <- read_excel(excel_file_path) > > > > # Anzeigen des gesamten Dataframes > > print(INVESTMENTVOLUME) > > > > # Make sure BFS is numeric right before dataprep > > INVESTMENTVOLUME$BFS <- as.numeric(INVESTMENTVOLUME$BFS) > > > > # running dataprep > > dataprep_out <- dataprep( > > foo = INVESTMENTVOLUME, > > predictors = c("Predictor 1", " Predictor 2", " Predictor 3" Predictor > 4", > " Predictor 5", " Predictor 6"), > > special.predictors = list(list("Special Predictor 1", seq(1, 12, by = > 1))), > > dependent = "INVESTMENTVOLUME_12_MONTH_AVERAGE", > > unit.variable = "BFS", > > time.variable = "DATE", > > treatment.identifier = XXXX, > > controls.identifier = > unique(INVESTMENTVOLUME$BFS[-which(INVESTMENTVOLUME$BFS == XXXX)]), > > time.predictors.prior = as.Date("2010-01-01"):as.Date("2017-10-01"), > > time.optimize.ssr = as.Date("2010-01-01"):as.Date("2017-10-01"), > > time.plot = as.Date("2010-01-01"):as.Date("2024-03-01"), > > unit.names.variable = "BFS" > > ) > > > > synth_out <- synth( > > data.prep.obj = dataprep_out > > ) > > > > I keep getting the same error message. Unfortunately, ChatGPT and solutions > from various forums do not help. My unit variables are all numeric except > one, which is a date and has POSIXct as type. > > Fehler in dataprep(foo = INVESTMENTVOLUME, predictors = c("Predictor 1", > : > > > > unit.variable not found as numeric variable in foo. > > > > I would be very grateful if you could help me with my problem. > > > > Thank you in advance for your efforts. > > > > Kind regards > > Nadja Delliehausen > > > [[alternative HTML version deleted]] > > ______________________________________________ > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.