weka inital heap size memory allocated

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i am currently using WEKA and i am trying to run a logistic regression on a dataset that i am currently working, on however everytime i attempt to do this WEKA shuts down and shows me this message i am unsure how to remedy this issue. out of memory error message screenshot

I tried using chatgpt to answers by adding a -xmx with the target shortcut but this did not change the outcome. i have been told previously that i could use IDE but i am not able to for this work i am completing so any advice on what i can do instead of that would be most appreciated Iam currently using a windows computer.

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fracpete On

Have tried setting the -Xmx .. option through the _JAVA_OPTIONS environment variable (as described in the Weka wiki)?