r - Missing scale on ggplot 2 -

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i creating graph using ggplot2. here first output of graph before tidying done.

graph

and here code: 

graph <- ggplot(data = village.times,  aes(x=village.times$a6ncopo, y=(village.times$a5species=="funestus")))  + geom_bar(stat="identity", position = "stack", fill="#ff4444")

what don't know why there isn't scale on y axis , how remove true-false labels. there way can force ggplot include scale on y axis or have change way use data?

maybe subsetting data frame before using ggplot , creating histogram? otherwise don't expected result should be...

ggplot(subset(village.times, a5species=="funestus"),         aes(x=a6ncopo)) +    geom_bar()

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