Double-click the first tFileInputInput component to
open its Component view.
Click the [...] button next to Edit schema and in the pop-up schema dialog box, define the
schema by adding two columns latitude and
longitude of Double type.
Click OK to validate these changes and accept the
propagation prompted by the pop-up dialog box.
Select the Define a storage configuration
component check box and select the tHDFSConfiguration component to be used.
tFileInputDelimited uses this configuration
to access the sample data to be used as training set.
In the Folder/File field, enter the directory
where the training set is stored.
Double-click the tReplicate component to open its
Component view.
Select the Cache replicated RDD check box and from
the Storage level drop-down list, select
Memory only. This way, this sample data is
replicated and stored in memory for use as test set.
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