fmcquillan99 commented on pull request #564:
URL: https://github.com/apache/madlib/pull/564#issuecomment-833828733
(4)
another longer Adam run
```
DROP TABLE IF EXISTS mnist_result, mnist_result_summary,
mnist_result_standardization;
SELECT madlib.mlp_classification(
'mnist_train_packed', -- Packed table from preprocessor
'mnist_result', -- Destination table
'independent_varname', -- Independent
'dependent_varname', -- Dependent
ARRAY[128,64,32], -- Hidden layer sizes
'learning_rate_init=0.002,
learning_rate_policy=inv,
lambda=0.0001,
n_iterations=100,
tolerance=0,
solver=adam',
'tanh', -- Activation function
'', -- No weights
FALSE, -- No warmstart
TRUE);
```
produces
```
INFO: Iteration: 1, Loss: <0.902267447201>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 2, Loss: <0.598510687962>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 3, Loss: <0.286804674375>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 4, Loss: <0.214872382935>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 5, Loss: <0.174830631353>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 6, Loss: <0.149865038752>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 7, Loss: <0.128815250269>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 8, Loss: <0.114025672182>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 9, Loss: <0.106044468904>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 10, Loss: <0.0984815372721>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 11, Loss: <0.0944217427572>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 12, Loss: <0.0895817812755>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 13, Loss: <0.0884403009213>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 14, Loss: <0.0861769912095>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 15, Loss: <0.0814695315592>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 16, Loss: <0.0804790522705>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 17, Loss: <0.0775169408297>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 18, Loss: <0.0764146973052>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 19, Loss: <0.0757419797301>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 20, Loss: <0.0758552070182>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 21, Loss: <0.0735085846694>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 22, Loss: <0.0755760352792>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 23, Loss: <0.0700921090611>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 24, Loss: <0.0699933417869>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 25, Loss: <0.0688131599703>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 26, Loss: <0.0725052743146>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 27, Loss: <0.0725268665202>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 28, Loss: <0.0666086435623>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 29, Loss: <0.0741028809836>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 30, Loss: <0.0671763458167>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 31, Loss: <0.0697350330521>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 32, Loss: <0.0667838907866>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 33, Loss: <0.0635439441312>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 34, Loss: <0.0676861103983>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 35, Loss: <0.0703095924077>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 36, Loss: <0.0721540679773>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 37, Loss: <0.0717182423827>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 38, Loss: <0.0656415085666>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 39, Loss: <0.0690685212853>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 40, Loss: <0.0675374770694>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 41, Loss: <0.0675042878676>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 42, Loss: <0.0674985265926>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 43, Loss: <0.0675290178992>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 44, Loss: <0.0607875111124>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 45, Loss: <0.0650367051397>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 46, Loss: <0.0627215456775>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 47, Loss: <0.0649998953224>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 48, Loss: <0.0657624684347>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 49, Loss: <0.064268713466>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 50, Loss: <0.0663068656827>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 51, Loss: <0.0652286454642>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 52, Loss: <0.0638700131975>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 53, Loss: <0.0659493254549>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 54, Loss: <0.0629981702187>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 55, Loss: <0.0637005548072>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 56, Loss: <0.0651030083855>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 57, Loss: <0.0629989608839>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 58, Loss: <0.068609358975>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 59, Loss: <0.0664457200772>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 60, Loss: <0.0651432575634>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 61, Loss: <0.064159688375>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 62, Loss: <0.0640972271976>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 63, Loss: <0.0661632950085>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 64, Loss: <0.0632920682493>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 65, Loss: <0.0669431223201>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 66, Loss: <0.065579426695>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 67, Loss: <0.0632646726844>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 68, Loss: <0.0626511454898>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 69, Loss: <0.0632329553396>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 70, Loss: <0.0638328982203>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 71, Loss: <0.0630246262545>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 72, Loss: <0.0631025239082>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 73, Loss: <0.0638566023843>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 74, Loss: <0.062216488031>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 75, Loss: <0.0624262779407>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 76, Loss: <0.0607505387425>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 77, Loss: <0.0624001087663>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 78, Loss: <0.0617815442258>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 79, Loss: <0.0611698656165>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 80, Loss: <0.059515434491>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 81, Loss: <0.0623617359447>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 82, Loss: <0.0624725383955>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 83, Loss: <0.0615110026584>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 84, Loss: <0.061247445539>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 85, Loss: <0.0627963698688>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 86, Loss: <0.060241794136>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 87, Loss: <0.0612733399677>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 88, Loss: <0.0616559619981>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 89, Loss: <0.0645934404705>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 90, Loss: <0.059122357762>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 91, Loss: <0.0617805159628>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 92, Loss: <0.0627599575141>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 93, Loss: <0.0657164730795>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 94, Loss: <0.0604601958382>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 95, Loss: <0.0641176483941>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 96, Loss: <0.0636301085118>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 97, Loss: <0.0643300967777>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 98, Loss: <0.067113660572>
CONTEXT: PL/Python function "mlp_classification"
INFO: Iteration: 99, Loss: <0.0585629777653>
CONTEXT: PL/Python function "mlp_classification"
train_accuracy_percent
------------------------
99.87
test_accuracy_percent
-----------------------
97.58
```
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