scale_x_date(breaks = "1 month", minor_breaks = "1 week", labels=(date_format="%B")) +

scale_x_date(major="months", minor="weeks", format="%B") +

Error in scale_labels.continuous(scale) :
  Breaks and labels are different lengths

Error in continuous_scale(aesthetics, "date", identity, breaks = breaks,  :
  unused argument(s) (major = "months", minor = "weeks", format = "%B")

scale_x_date(breaks = "1 month", minor_breaks = "1 week") +

scale_x_date(breaks = "1 month", minor_breaks = "1 week", labels=date_format("%B")) +

Error in structure(list(call = match.call(), aesthetics = aesthetics,  :
  could not find function "date_format"

scale_x_date(breaks = "1 month", minor_breaks = "1 week", labels=date_format("%B")) +