Github user njayaram2 commented on a diff in the pull request: https://github.com/apache/incubator-madlib/pull/77#discussion_r91374194 --- Diff: src/ports/postgres/modules/elastic_net/elastic_net.sql_in --- @@ -229,25 +301,23 @@ we are done, otherwise the process is repeated.</DD> up the calculation.</DD> </DL> -When the \ref elastic_net_train() \e optimizer argument value is \b 'igd', the -\e optimizer_params argument is a string containing name-value pairs with -the following format. (Line breaks are inserted for readability.) +\b IGD parameters <pre class="syntax"> - 'stepsize = <value>, - step_decay = <value>, - threshold = <value>, - warmup = <value>, - warmup_lambdas = <value>, - warmup_lambda_no = <value>, - warmup_tolerance = <value>, - parallel = <value>' + $$ + stepsize = <value>, + step_decay = <value>, + threshold = <value>, + parallel = <value> + $$ </pre> -\b Parameters <DL class="arglist"> + <DT>stepsize</DT> <DD>The default is 0.01.</DD> + <DT>step_decay</DT> <DD>The actual setpsize used for current step is (previous stepsize) / exp(setp_decay). The default value is 0, which means that a constant stepsize is used in IGD.</DD> --- End diff -- A typo I guess, should it be `exp(step_decay)`?
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