geom_bar : There are extran x-axis appear in my bar plot

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My data is follow the sequence:

http://ift.tt/1v98kLb

My ggplot code:

ggplot(pplot, aes(x=deptime, y=.count)) + geom_bar(stat="identity",fill='#FF9966',width = 5) + labs(x="time", y="count")

http://ift.tt/1A2Iy11

There are a gap between each 100. Does anyone know how to fix it?

Thank You

asked 29 secs ago

Yen-heng Lin

1

geom_bar : There are extran x-axis appear in my bar plot