library(randomForest)

## Error in library(randomForest): there is no package called 'randomForest'

x <- cbind(x_train,y_train)

## Error in cbind(x_train, y_train): object 'x_train' not found

# Fitting model
fit <- randomForest(Species ~ ., x,ntree=500)

## Error in randomForest(Species ~ ., x, ntree = 500): could not find function "randomForest"

summary(fit)

## Error in summary(fit): object 'fit' not found

# Predict Output 
predicted= predict(fit,x_test)

## Error in predict(fit, x_test): object 'fit' not found