# Define the variable:
data <- c(1,2,3,2,3,4,5)
start_f <- f.monthly(2022,12)
fields <- list(c("key1","value1"), c("key2", "value2"))
v1 = variable(data,start_f,"V1", fields)
# convert it to data.frame
df1 <- as.data.frame(v1)
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