#N canvas 1 53 858 468 12; #N canvas 376 163 647 348 creation 0; #X obj 52 235 outlet; #X text 246 38 specifying all; #X text 159 216 TIP:don't set the layers param too high; #X msg 49 10 create 2 1 5; #X text 175 6 create with 2 inputs \, 1 output and 5 frames; #X msg 59 38 create 2 1 5 3 3 1 0.7; #X text 159 179 params: num_input \, num_output \, frames \, num_layers \, num_neurons_hidden \, connection_rate \, learning_rate; #N canvas 219 181 650 413 what 0; #X text 37 134 you pass [0 0.1] to ann_tdnn; #X text 34 152 internally now there is this array: [0 0.1 0 0 0 0] ; #X text 38 196 next input is [0.2 1]; #X text 36 211 internally now there is this array: [0.2 1 0 0.1 0 0] ; #X text 37 255 next input is [0.3 0.4]; #X text 35 270 internally now there is this array: [0.3 0.4 0.2 1 0 0.1]; #X text 36 317 next input is [0.7 0]; #X text 34 332 internally now there is this array: [0.7 0 0.3 0.4 0.2 1]; #X text 35 168 a normal ann_mlp is run with this inputs; #X text 38 225 a normal ann_mlp is run with this inputs; #X text 33 284 a normal ann_mlp is run with this inputs; #X text 33 347 a normal ann_mlp is run with this inputs; #X text 12 139 1); #X text 14 197 2); #X text 15 258 3); #X text 13 319 4); #X text 33 4 this implementation od tdnn is simply a normal ann_mlp with num_input*frame inputs and num_output outputs. ann_tdnn simply helps managing the delay \, frames and buffers.; #X text 65 385 ...and so on...; #X text 34 64 frames can be seen as the delay feedback: how many times an input is internally held in the input array; #X text 35 104 eg: 2 inputs 3 frames = internally 6 inputs; #X restore 155 109 pd what frames are?; #X connect 3 0 0 0; #X connect 5 0 0 0; #X restore 93 68 pd creation examples; #N canvas 137 89 728 356 run 0; #X obj 90 219 outlet; #X msg 123 69 0 1; #X msg 124 92 1 0; #X msg 125 115 1 1; #X msg 126 140 0 0; #X text 40 17 now you can run your nn passing it a list with inputs ; #X text 169 70 send a list of data and watch the console for output ; #X text 39 35 the output is sent as a list of float; #X text 184 134 these inputs are good for a nn like the one in example1 directory; #X connect 1 0 0 0; #X connect 2 0 0 0; #X connect 3 0 0 0; #X connect 4 0 0 0; #X restore 107 180 pd run the net; #N canvas 1 53 619 610 other 0; #X obj 43 401 outlet; #X msg 102 37 train; #X msg 103 63 run; #X msg 152 37 setmode 0; #X msg 153 63 setmode 1; #X text 249 40 set training/running mode; #X text 247 63 training mode currently not implemented; #N canvas 266 284 690 335 training 0; #X obj 71 288 outlet; #X msg 82 195 FANN_TRAIN_INCREMENTAL; #X msg 82 216 FANN_TRAIN_BATCH; #X msg 81 238 FANN_TRAIN_RPROP; #X msg 81 258 FANN_TRAIN_QUICKPROP; #X text 40 28 you can set the training algorithm simply sending a message with the name of the algorithm chosen. possible values are: FANN_TRAIN_INCREMENTAL FANN_TRAIN_BATCH FANN_TRAIN_RPROP FANN_TRAIN_QUICKPROP the default is: FANN_TRAIN_RPROP see the FANN manual for details on each algorithm: http://fann.sourceforge.net/html/r1996.html; #X connect 1 0 0 0; #X connect 2 0 0 0; #X connect 3 0 0 0; #X connect 4 0 0 0; #X restore 150 153 pd training algorithm; #X text 360 175 some advanced param; #N canvas 325 121 698 395 training 0; #X obj 52 230 outlet; #X msg 69 118 desired_error 0.01; #X msg 79 146 max_iterations 500000; #X msg 90 178 iterations_between_reports 1000; #X text 58 28 you can change training parameters. see FANN manual for details (http://fann.sourceforge.net); #X connect 1 0 0 0; #X connect 2 0 0 0; #X connect 3 0 0 0; #X restore 151 179 pd training params; #N canvas 329 121 694 391 activation 0; #X obj 49 335 outlet; #X text 40 28 you can set ti output activation algorithm passing a message to nn. see the FANN manual for description of the algorithms ; #X msg 69 118 set_activation_function_output FANN_THRESHOLD; #X msg 83 139 set_activation_function_output FANN_THRESHOLD_SYMMETRIC ; #X msg 95 163 set_activation_function_output FANN_LINEAR; #X msg 98 184 set_activation_function_output FANN_SIGMOID; #X msg 106 206 set_activation_function_output FANN_SIGMOID_STEPWISE ; #X msg 108 233 set_activation_function_output FANN_SIGMOID_SYMMETRIC ; #X msg 115 256 set_activation_function_output FANN_SIGMOID_SYMMETRIC_STEPWISE ; #X connect 2 0 0 0; #X connect 3 0 0 0; #X connect 4 0 0 0; #X connect 5 0 0 0; #X connect 6 0 0 0; #X connect 7 0 0 0; #X connect 8 0 0 0; #X restore 150 203 pd activation algorithm; #X msg 151 287 details; #X text 229 285 details on the current nn; #X msg 145 333 help; #X connect 1 0 0 0; #X connect 2 0 0 0; #X connect 3 0 0 0; #X connect 4 0 0 0; #X connect 7 0 0 0; #X connect 9 0 0 0; #X connect 10 0 0 0; #X connect 11 0 0 0; #X connect 13 0 0 0; #X restore 128 258 pd other commands; #N canvas 1 53 665 525 save 0; #X obj 39 264 outlet; #X msg 64 20 filename test.net; #X msg 66 46 save; #X msg 82 103 load; #X text 221 19 set the filename; #X text 214 42 save the net to the file; #X text 138 104 you can reload it too; #X text 144 182 nn can be loaded from a file at creation time simply passing the filename as argument; #X msg 68 71 save test.net; #X msg 93 130 load test.net; #X text 144 217 like [ann_td num_inputs frames filename]; #X connect 1 0 0 0; #X connect 2 0 0 0; #X connect 3 0 0 0; #X connect 8 0 0 0; #X connect 9 0 0 0; #X restore 118 218 pd save the net; #X text 270 66 create a nn; #X text 244 179 run your net; #X text 258 215 save your net; #N canvas 0 0 712 542 tips 0; #X text 51 84 for better performances inputs value should be normalized \, all input should have the same range (if one input has a larger range it will be more "important"). the range of each input should be 0 centered. so [-1 \, 1] is good [-2 \, 2] is good \, [0 \, 1] not so good [1 \, 2] is bad. the range sould not be too small ([-0.1 \, 0.1] is bad).; #X text 41 19 TIPS; #X text 41 56 inputs; #X text 39 211 outputs; #X text 50 235 each class of outputs should have its own output value: don't use the same output for 2 meanings \, use 2 outputs intead \, 1 for each.; #X restore 167 285 pd tips; #X text 272 371 an interface to fann classes (http://fann.sourceforge.net) ; #X text 274 389 by Davide Morelli - info@davidemorelli.it; #N canvas 228 212 580 411 train 0; #X obj 32 241 outlet; #N canvas 100 44 892 558 train 0; #X obj 57 397 outlet; #X msg 60 31 train; #X text 126 33 1- set the train mode; #X text 116 81 2- build a list with inputs and desired output; #X text 139 101 be shure you provide the correct numbers of inputs and outputs; #X obj 168 202 pack s f f f; #X obj 197 248 pack f f f; #X obj 168 225 unpack s f f f; #X msg 192 374 run; #X obj 198 170 tgl 15 0 empty empty in1 0 -6 0 8 -262144 -1 -1 0 1 ; #X obj 228 170 tgl 15 0 empty empty in2 0 -6 0 8 -262144 -1 -1 0 1 ; #X obj 259 170 tgl 15 0 empty empty output 0 -6 0 8 -262144 -1 -1 0 1; #X obj 148 169 bng 15 250 50 0 empty empty train! 0 -6 0 8 -262144 -1 -1; #X text 299 183 set inputs and output value \, then send the list clicking on the "train!" bang; #X text 229 374 3- when you are ready switch again to run mode before exiting; #X text 311 308 NOTE2: while training the right outlet gives you the mean square error after each training pattern.; #X msg 316 278 create 2 1 5; #X text 315 226 NOTE1: before training with this example you should have created a nn with 2 ins and 1 out and 5 frames with a command like:; #X connect 1 0 0 0; #X connect 5 0 7 0; #X connect 6 0 0 0; #X connect 7 1 6 0; #X connect 7 2 6 1; #X connect 7 3 6 2; #X connect 8 0 0 0; #X connect 9 0 5 1; #X connect 10 0 5 2; #X connect 11 0 5 3; #X connect 12 0 5 0; #X connect 16 0 0 0; #X restore 68 50 pd train it on the fly; #X text 62 5 there are 2 ways to train your net; #X text 253 47 on the fly is simpler; #X text 86 128 with a trainfile the net could be more accurate; #X msg 89 149 train-on-file test.txt; #X connect 1 0 0 0; #X connect 5 0 0 0; #X restore 115 119 pd train; #X text 190 118 train a nn; #X obj 113 360 print mse; #X obj 54 391 print out; #X text 150 315 2 args needed: num_inputs and frames; #X text 148 331 see [pd creation examples] for details; #X obj 33 319 ann_td 2 5; #X text 9 2 ann_td: time delay neural networks in pd; #N canvas 406 195 494 332 META 0; #X text 12 210 HELP_PATCH_AUTHORS "pd meta" information added by Jonathan Wilkes for Pd version 0.42.; #X text 12 25 LICENSE GPL v2; #X text 12 5 KEYWORDS control; #X text 12 150 OUTLET_0; #X text 12 170 OUTLET_1; #X text 12 190 AUTHOR Davide Morelli - info@davidemorelli.it; #X text 12 45 DESCRIPTION time delay neural networks in pd; #X text 12 65 INLET_0 list create train train-on-file filename save load setmode run FANN_TRAIN_INCREMENTAL FANN_TRAIN_BATCH FANN_TRAIN_RPROP FANN_TRAIN_QUICKPROP desired_error max_iterations iterations_between_reports set_activation_function_output; #X restore 734 408 pd META; #X connect 0 0 16 0; #X connect 1 0 16 0; #X connect 2 0 16 0; #X connect 3 0 16 0; #X connect 10 0 16 0; #X connect 16 0 13 0; #X connect 16 1 12 0;