I have a data frame in R with the following values.
cars
autocar
cars info
what is that
donna drive
car
telephone
i need car...
I want to select all values which contain 'car', values with three
words, and those keywords with car that contain three words.
The first part is done with :
sqldf("SELECT Keyword FROM dat WHERE Keyword like '%car%'")
However, I'm not sure how to pick those values with words
and those values with three words AND 'car'
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