unused argument (key = "airlines.hex") error with h2o.importFile

[sunilchi...@gmail.com]

library(h2o)
localH2O = h2o.init(nthreads = -1)
airlinesURL = "https://s3.amazonaws.com/h2o-airlines-unpacked/allyears2k.csv"
airlines.hex = h2o.importFile(localH2O, path = airlinesURL, key = "airlines.hex")
print(summary(airlines.hex))

is the code I am trying to execute from RStudio but I ended up getting the below mentioned error -

Error in h2o.importFile(localH2O, path = airlinesURL, key = "airlines.hex") :
unused argument (key = "airlines.hex")

Just wondering why this instruction from training manual is not working. Can some one help please?

Sunil

[Rodolfo Viana]

Hi, 

You should try this way 

library(h2o)

localH2O = h2o.init(nthreads = -1)

airlinesURL = "https://s3.amazonaws.com/h2o-airlines-unpacked/allyears2k.csv"

airlines.hex = h2o.importFile(localH2O, path = airlinesURL, destination_frame = "airlines.hex")

print(summary(airlines.hex))

"destination_frame - (Optional) The unique hex key assigned to the imported file. If none is given, a key will automatically be generated based on the URL path."

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Rodolfo de Lima Viana

Undergraduate in Computer Science at UFCG