Extracts amplitude modulation, baseline wander, or frequency modulation from successive PPG pulses, resamples the feature to a uniform grid, and estimates its respiratory-band spectral peak.
Arguments
- x
A raw PPG
PhysioExperiment.- peaks
Optional systolic peak table from
ppgDetectPulses().- method
"am"for pulse amplitude,"bw"for raw systolic level, or"fm"for instantaneous pulse rate.- fs
Uniform feature resampling rate in Hz.
- resp_band
Two-element respiratory band in Hz.
- assay_name
Optional raw PPG assay name.
Value
A list containing method, per-pulse features, uniformly resampled EDR-like traces, and respiratory rates.
References
Charlton PH, Bonnici T, Mainardi L, et al. (2016). An assessment of algorithms to estimate respiratory rate from the electrocardiogram and photoplethysmogram. Physiological Measurement, 37:610-626. doi:10.1088/0967-3334/37/4/610
Examples
set.seed(1)
simulation <- make_ppg(n_time = 15000, resp_freq = 0.25)
ppgRespiration(simulation$pe)
#> $method
#> [1] "am"
#>
#> $beats
#> channel time_sec feature
#> 1 1 0.976 1.3811561
#> 2 1 1.800 1.2440531
#> 3 1 2.640 0.8833804
#> 4 1 3.472 0.8384953
#> 5 1 4.304 1.1591921
#> 6 1 5.136 1.3788942
#> 7 1 5.968 1.1972041
#> 8 1 6.800 0.8252496
#> 9 1 7.632 0.8401986
#> 10 1 8.464 1.2755617
#> 11 1 9.296 1.3812218
#> 12 1 10.128 1.1270424
#> 13 1 10.960 0.8113213
#> 14 1 11.792 0.9694252
#> 15 1 12.624 1.3067466
#> 16 1 13.456 1.3710096
#> 17 1 14.288 1.0155058
#> 18 1 15.128 0.7939239
#> 19 1 15.952 1.0436579
#> 20 1 16.784 1.3235683
#> 21 1 17.616 1.3250953
#> 22 1 18.448 0.9506667
#> 23 1 19.280 0.7846433
#> 24 1 20.112 1.1043468
#> 25 1 20.944 1.3794113
#> 26 1 21.776 1.2993332
#> 27 1 22.608 0.8996533
#> 28 1 23.440 0.8545526
#> 29 1 24.272 1.1563450
#> 30 1 25.104 1.3874813
#> 31 1 25.936 1.1964937
#> 32 1 26.760 0.8352081
#> 33 1 27.600 0.8554968
#> 34 1 28.432 1.2261199
#> 35 1 29.264 1.3845875
#> 36 1 30.096 1.1103943
#> 37 1 30.936 0.8146464
#> 38 1 31.760 0.9062061
#> 39 1 32.592 1.3329401
#> 40 1 33.424 1.3896085
#> 41 1 34.256 1.0483738
#> 42 1 35.096 0.7966246
#> 43 1 35.928 0.9820589
#> 44 1 36.752 1.3858924
#> 45 1 37.584 1.2953256
#> 46 1 38.424 0.9874163
#> 47 1 39.256 0.8079401
#> 48 1 40.080 1.0355787
#> 49 1 40.912 1.3867104
#> 50 1 41.744 1.2947922
#> 51 1 42.584 0.9226464
#> 52 1 43.408 0.8645538
#> 53 1 44.240 1.1534442
#> 54 1 45.072 1.4145299
#> 55 1 45.904 1.2153100
#> 56 1 46.736 0.8544972
#> 57 1 47.568 0.8613479
#> 58 1 48.392 1.2538533
#> 59 1 49.232 1.4020749
#> 60 1 50.064 1.1361151
#> 61 1 50.904 0.8405943
#> 62 1 51.720 0.9370710
#> 63 1 52.560 1.2948913
#> 64 1 53.392 1.4359201
#> 65 1 54.224 1.0649233
#> 66 1 55.056 0.8556207
#> 67 1 55.880 0.9703079
#> 68 1 56.720 1.3401879
#> 69 1 57.552 1.3474291
#> 70 1 58.392 0.9747619
#> 71 1 59.216 0.8161936
#> 72 1 60.048 1.0845068
#> 73 1 60.880 1.4000960
#> 74 1 61.704 1.3075376
#> 75 1 62.552 0.9198526
#> 76 1 63.368 0.8093247
#> 77 1 64.208 1.1058772
#> 78 1 65.040 1.3797078
#> 79 1 65.872 1.3248249
#> 80 1 66.704 0.9272016
#> 81 1 67.536 0.8861743
#> 82 1 68.360 1.1721811
#> 83 1 69.200 1.4479023
#> 84 1 70.032 1.1560330
#> 85 1 70.864 0.8540541
#> 86 1 71.696 0.9534567
#> 87 1 72.528 1.2908831
#> 88 1 73.360 1.3648837
#> 89 1 74.192 1.0520237
#> 90 1 75.024 0.8188908
#> 91 1 75.856 0.9706503
#> 92 1 76.688 1.3466424
#> 93 1 77.520 1.3561333
#> 94 1 78.352 1.0231299
#> 95 1 79.176 0.7677551
#> 96 1 80.016 1.0230977
#> 97 1 80.848 1.3715667
#> 98 1 81.680 1.3593652
#> 99 1 82.512 0.9348129
#> 100 1 83.352 0.8295328
#> 101 1 84.184 1.1095834
#> 102 1 85.008 1.4142005
#> 103 1 85.840 1.2970133
#> 104 1 86.672 0.8735670
#> 105 1 87.496 0.8245704
#> 106 1 88.336 1.1963350
#> 107 1 89.168 1.4394224
#> 108 1 90.000 1.1420960
#> 109 1 90.840 0.8329052
#> 110 1 91.656 0.9159133
#> 111 1 92.496 1.2275431
#> 112 1 93.328 1.3888955
#> 113 1 94.152 1.1215855
#> 114 1 94.992 0.8183837
#> 115 1 95.824 1.0033246
#> 116 1 96.656 1.3266030
#> 117 1 97.488 1.4119313
#> 118 1 98.320 0.9921128
#> 119 1 99.152 0.7997483
#> 120 1 99.984 1.0746553
#> 121 1 100.824 1.3589666
#> 122 1 101.648 1.3048208
#> 123 1 102.480 0.9335947
#> 124 1 103.312 0.8408963
#> 125 1 104.144 1.1144584
#> 126 1 104.976 1.3920787
#> 127 1 105.800 1.2195585
#> 128 1 106.640 0.9096700
#> 129 1 107.472 0.8364955
#> 130 1 108.304 1.1480108
#> 131 1 109.136 1.4129693
#> 132 1 109.960 1.1554183
#> 133 1 110.808 0.8531418
#> 134 1 111.632 0.9202674
#> 135 1 112.464 1.2273437
#> 136 1 113.296 1.3912735
#> 137 1 114.128 1.1567784
#> 138 1 114.960 0.7424762
#> 139 1 115.792 0.9324125
#> 140 1 116.624 1.3317543
#> 141 1 117.464 1.3142484
#> 142 1 118.288 1.0814352
#> 143 1 119.112 0.8322590
#>
#> $edr
#> channel time_sec edr
#> 1 1 0.976 0.274534625
#> 2 1 1.226 0.232937828
#> 3 1 1.476 0.191341031
#> 4 1 1.726 0.149744233
#> 5 1 1.976 0.061862068
#> 6 1 2.226 -0.045480990
#> 7 1 2.476 -0.152824048
#> 8 1 2.726 -0.227880664
#> 9 1 2.976 -0.241367785
#> 10 1 3.226 -0.254854907
#> 11 1 3.476 -0.266584422
#> 12 1 3.726 -0.170221187
#> 13 1 3.976 -0.073857951
#> 14 1 4.226 0.022505284
#> 15 1 4.476 0.097989791
#> 16 1 4.726 0.164006037
#> 17 1 4.976 0.230022284
#> 18 1 5.226 0.252618709
#> 19 1 5.476 0.198024343
#> 20 1 5.726 0.143429977
#> 21 1 5.976 0.087006145
#> 22 1 6.226 -0.024759043
#> 23 1 6.476 -0.136524231
#> 24 1 6.726 -0.248289418
#> 25 1 6.976 -0.278209631
#> 26 1 7.226 -0.273717752
#> 27 1 7.476 -0.269225873
#> 28 1 7.726 -0.217235276
#> 29 1 7.976 -0.086417020
#> 30 1 8.226 0.044401236
#> 31 1 8.476 0.170464159
#> 32 1 8.726 0.202212981
#> 33 1 8.976 0.233961803
#> 34 1 9.226 0.265710624
#> 35 1 9.476 0.219609552
#> 36 1 9.726 0.143233522
#> 37 1 9.976 0.066857492
#> 38 1 10.226 -0.016767430
#> 39 1 10.476 -0.111635533
#> 40 1 10.726 -0.206503636
#> 41 1 10.976 -0.292259720
#> 42 1 11.226 -0.244752544
#> 43 1 11.476 -0.197245368
#> 44 1 11.726 -0.149738192
#> 45 1 11.976 -0.062596383
#> 46 1 12.226 0.038762195
#> 47 1 12.476 0.140120774
#> 48 1 12.726 0.208003458
#> 49 1 12.976 0.227313276
#> 50 1 13.226 0.246623094
#> 51 1 13.476 0.255842360
#> 52 1 13.726 0.149020280
#> 53 1 13.976 0.042198200
#> 54 1 14.226 -0.064623880
#> 55 1 14.476 -0.140707886
#> 56 1 14.726 -0.206654867
#> 57 1 14.976 -0.272601848
#> 58 1 15.226 -0.282996245
#> 59 1 15.476 -0.207227449
#> 60 1 15.726 -0.131458653
#> 61 1 15.976 -0.054889321
#> 62 1 16.226 0.029218398
#> 63 1 16.476 0.113326117
#> 64 1 16.726 0.197433835
#> 65 1 16.976 0.217299207
#> 66 1 17.226 0.217758036
#> 67 1 17.476 0.218216865
#> 68 1 17.726 0.168970030
#> 69 1 17.976 0.056461441
#> 70 1 18.226 -0.056047148
#> 71 1 18.476 -0.161542100
#> 72 1 18.726 -0.211428938
#> 73 1 18.976 -0.261315775
#> 74 1 19.226 -0.311202613
#> 75 1 19.476 -0.246663418
#> 76 1 19.726 -0.150598685
#> 77 1 19.976 -0.054533951
#> 78 1 20.226 0.035414399
#> 79 1 20.476 0.118066009
#> 80 1 20.726 0.200717619
#> 81 1 20.976 0.269709894
#> 82 1 21.226 0.245647952
#> 83 1 21.476 0.221586009
#> 84 1 21.726 0.197524066
#> 85 1 21.976 0.096634777
#> 86 1 22.226 -0.023461349
#> 87 1 22.476 -0.143557475
#> 88 1 22.726 -0.213364719
#> 89 1 22.976 -0.226916601
#> 90 1 23.226 -0.240468484
#> 91 1 23.476 -0.239010571
#> 92 1 23.726 -0.148327753
#> 93 1 23.976 -0.057644936
#> 94 1 24.226 0.033037881
#> 95 1 24.476 0.106396366
#> 96 1 24.726 0.175848383
#> 97 1 24.976 0.245300400
#> 98 1 25.226 0.252854437
#> 99 1 25.476 0.195466331
#> 100 1 25.726 0.138078225
#> 101 1 25.976 0.072334080
#> 102 1 26.226 -0.037279269
#> 103 1 26.476 -0.146892617
#> 104 1 26.726 -0.256505966
#> 105 1 26.976 -0.266196283
#> 106 1 27.226 -0.260157976
#> 107 1 27.476 -0.254119669
#> 108 1 27.726 -0.194996651
#> 109 1 27.976 -0.083631536
#> 110 1 28.226 0.027733578
#> 111 1 28.476 0.127878928
#> 112 1 28.726 0.175495379
#> 113 1 28.976 0.223111830
#> 114 1 29.226 0.270728281
#> 115 1 29.476 0.208099440
#> 116 1 29.726 0.125709650
#> 117 1 29.976 0.043319861
#> 118 1 30.226 -0.041997744
#> 119 1 30.476 -0.130017949
#> 120 1 30.726 -0.218038153
#> 121 1 30.976 -0.287530480
#> 122 1 31.226 -0.259751444
#> 123 1 31.476 -0.231972409
#> 124 1 31.726 -0.204193374
#> 125 1 31.976 -0.089628714
#> 126 1 32.226 0.038596646
#> 127 1 32.476 0.166822006
#> 128 1 32.726 0.235445451
#> 129 1 32.976 0.252473208
#> 130 1 33.226 0.269500965
#> 131 1 33.476 0.261659780
#> 132 1 33.726 0.159125312
#> 133 1 33.976 0.056590844
#> 134 1 34.226 -0.045943623
#> 135 1 34.476 -0.124182061
#> 136 1 34.726 -0.199107403
#> 137 1 34.976 -0.274032746
#> 138 1 35.226 -0.281022800
#> 139 1 35.476 -0.225303356
#> 140 1 35.726 -0.169583913
#> 141 1 35.976 -0.101038322
#> 142 1 36.226 0.021483971
#> 143 1 36.476 0.144006265
#> 144 1 36.726 0.266528558
#> 145 1 36.976 0.254887511
#> 146 1 37.226 0.227673934
#> 147 1 37.476 0.200460357
#> 148 1 37.726 0.136652749
#> 149 1 37.976 0.045013061
#> 150 1 38.226 -0.046626627
#> 151 1 38.476 -0.130422518
#> 152 1 38.726 -0.184351640
#> 153 1 38.976 -0.238280762
#> 154 1 39.226 -0.292209884
#> 155 1 39.476 -0.237904094
#> 156 1 39.726 -0.168838998
#> 157 1 39.976 -0.099773902
#> 158 1 40.226 -0.009425960
#> 159 1 40.476 0.096082368
#> 160 1 40.726 0.201590695
#> 161 1 40.976 0.273018259
#> 162 1 41.226 0.245398607
#> 163 1 41.476 0.217778955
#> 164 1 41.726 0.190159303
#> 165 1 41.976 0.085387571
#> 166 1 42.226 -0.025370098
#> 167 1 42.476 -0.136127767
#> 168 1 42.726 -0.193986185
#> 169 1 42.976 -0.211611370
#> 170 1 43.226 -0.229236555
#> 171 1 43.476 -0.218456456
#> 172 1 43.726 -0.131650451
#> 173 1 43.976 -0.044844445
#> 174 1 44.226 0.041961561
#> 175 1 44.476 0.120880657
#> 176 1 44.726 0.199331886
#> 177 1 44.976 0.277783115
#> 178 1 45.226 0.271033551
#> 179 1 45.476 0.211171805
#> 180 1 45.726 0.151310059
#> 181 1 45.976 0.077464309
#> 182 1 46.226 -0.030953007
#> 183 1 46.476 -0.139370322
#> 184 1 46.726 -0.247787638
#> 185 1 46.976 -0.250148157
#> 186 1 47.226 -0.248089643
#> 187 1 47.476 -0.246031129
#> 188 1 47.726 -0.170011640
#> 189 1 47.976 -0.050926267
#> 190 1 48.226 0.068159106
#> 191 1 48.476 0.162053954
#> 192 1 48.726 0.206167526
#> 193 1 48.976 0.250281098
#> 194 1 49.226 0.294394670
#> 195 1 49.476 0.217455559
#> 196 1 49.726 0.137539743
#> 197 1 49.976 0.057623927
#> 198 1 50.226 -0.027499737
#> 199 1 50.476 -0.115452355
#> 200 1 50.726 -0.203404973
#> 201 1 50.976 -0.257514585
#> 202 1 51.226 -0.227956763
#> 203 1 51.476 -0.198398942
#> 204 1 51.726 -0.166994650
#> 205 1 51.976 -0.060500528
#> 206 1 52.226 0.045993595
#> 207 1 52.476 0.152487718
#> 208 1 52.726 0.216407718
#> 209 1 52.976 0.258784187
#> 210 1 53.226 0.301160656
#> 211 1 53.476 0.291842221
#> 212 1 53.726 0.180364807
#> 213 1 53.976 0.068887394
#> 214 1 54.226 -0.042201332
#> 215 1 54.476 -0.105092751
#> 216 1 54.726 -0.167984171
#> 217 1 54.976 -0.230875591
#> 218 1 55.226 -0.227339643
#> 219 1 55.476 -0.192543757
#> 220 1 55.726 -0.157747871
#> 221 1 55.976 -0.094041604
#> 222 1 56.226 0.016041732
#> 223 1 56.476 0.126125068
#> 224 1 56.726 0.233618624
#> 225 1 56.976 0.235794460
#> 226 1 57.226 0.237970295
#> 227 1 57.476 0.240146131
#> 228 1 57.726 0.163612228
#> 229 1 57.976 0.052699359
#> 230 1 58.226 -0.058213510
#> 231 1 58.476 -0.148024375
#> 232 1 58.726 -0.196133662
#> 233 1 58.976 -0.244242948
#> 234 1 59.226 -0.287202945
#> 235 1 59.476 -0.206579989
#> 236 1 59.726 -0.125957033
#> 237 1 59.976 -0.045334077
#> 238 1 60.226 0.045403197
#> 239 1 60.476 0.140231657
#> 240 1 60.726 0.235060117
#> 241 1 60.976 0.282690949
#> 242 1 61.226 0.254608920
#> 243 1 61.476 0.226526890
#> 244 1 61.726 0.190858215
#> 245 1 61.976 0.076564295
#> 246 1 62.226 -0.037729625
#> 247 1 62.476 -0.152023545
#> 248 1 62.726 -0.210337339
#> 249 1 62.976 -0.244200044
#> 250 1 63.226 -0.278062749
#> 251 1 63.476 -0.259168590
#> 252 1 63.726 -0.170908926
#> 253 1 63.976 -0.082649262
#> 254 1 64.226 0.005179924
#> 255 1 64.476 0.087460734
#> 256 1 64.726 0.169741543
#> 257 1 64.976 0.252022353
#> 258 1 65.226 0.260816763
#> 259 1 65.476 0.244325531
#> 260 1 65.726 0.227834298
#> 261 1 65.976 0.168500501
#> 262 1 66.226 0.049022334
#> 263 1 66.476 -0.070455832
#> 264 1 66.726 -0.180504776
#> 265 1 66.976 -0.192832682
#> 266 1 67.226 -0.205160587
#> 267 1 67.476 -0.217488493
#> 268 1 67.726 -0.154499024
#> 269 1 67.976 -0.067725121
#> 270 1 68.226 0.019048782
#> 271 1 68.476 0.103635371
#> 272 1 68.726 0.185695236
#> 273 1 68.976 0.267755102
#> 274 1 69.226 0.332159826
#> 275 1 69.476 0.244458723
#> 276 1 69.726 0.156757621
#> 277 1 69.976 0.069056518
#> 278 1 70.226 -0.021001866
#> 279 1 70.476 -0.111740703
#> 280 1 70.726 -0.202479540
#> 281 1 70.976 -0.239186262
#> 282 1 71.226 -0.209317700
#> 283 1 71.476 -0.179449138
#> 284 1 71.726 -0.140997985
#> 285 1 71.976 -0.039607837
#> 286 1 72.226 0.061782312
#> 287 1 72.476 0.163172460
#> 288 1 72.726 0.201872317
#> 289 1 72.976 0.224108057
#> 290 1 73.226 0.246343796
#> 291 1 73.476 0.214642249
#> 292 1 73.726 0.120633834
#> 293 1 73.976 0.026625420
#> 294 1 74.226 -0.064124914
#> 295 1 74.476 -0.134176856
#> 296 1 74.726 -0.204228798
#> 297 1 74.976 -0.274280740
#> 298 1 75.226 -0.250885257
#> 299 1 75.476 -0.205284446
#> 300 1 75.726 -0.159683635
#> 301 1 75.976 -0.081741582
#> 302 1 76.226 0.031236818
#> 303 1 76.476 0.144215218
#> 304 1 76.726 0.240454379
#> 305 1 76.976 0.243306211
#> 306 1 77.226 0.246158044
#> 307 1 77.476 0.249009876
#> 308 1 77.726 0.167061423
#> 309 1 77.976 0.067000288
#> 310 1 78.226 -0.033060847
#> 311 1 78.476 -0.121921845
#> 312 1 78.726 -0.199402059
#> 313 1 78.976 -0.276882273
#> 314 1 79.226 -0.323667478
#> 315 1 79.476 -0.247672651
#> 316 1 79.726 -0.171677824
#> 317 1 79.976 -0.095682997
#> 318 1 80.226 0.004431087
#> 319 1 80.476 0.109139314
#> 320 1 80.726 0.213847542
#> 321 1 80.976 0.263068013
#> 322 1 81.226 0.259401716
#> 323 1 81.476 0.255735420
#> 324 1 81.726 0.229270878
#> 325 1 81.976 0.101701074
#> 326 1 82.226 -0.025868729
#> 327 1 82.476 -0.153438532
#> 328 1 82.726 -0.198629952
#> 329 1 82.976 -0.229963327
#> 330 1 83.226 -0.261296701
#> 331 1 83.476 -0.235350414
#> 332 1 83.726 -0.151200601
#> 333 1 83.976 -0.067050787
#> 334 1 84.226 0.018488460
#> 335 1 84.476 0.110908712
#> 336 1 84.726 0.203328964
#> 337 1 84.976 0.295749215
#> 338 1 85.226 0.276873698
#> 339 1 85.476 0.241661187
#> 340 1 85.726 0.206448676
#> 341 1 85.976 0.121174595
#> 342 1 86.226 -0.006062859
#> 343 1 86.476 -0.133300314
#> 344 1 86.726 -0.236265422
#> 345 1 86.976 -0.251130905
#> 346 1 87.226 -0.265996387
#> 347 1 87.476 -0.280861869
#> 348 1 87.726 -0.180258429
#> 349 1 87.976 -0.069614213
#> 350 1 88.226 0.041030004
#> 351 1 88.476 0.130617599
#> 352 1 88.726 0.203660707
#> 353 1 88.976 0.276703814
#> 354 1 89.226 0.312073840
#> 355 1 89.476 0.222732975
#> 356 1 89.726 0.133392109
#> 357 1 89.976 0.044051244
#> 358 1 90.226 -0.047712529
#> 359 1 90.476 -0.139733602
#> 360 1 90.726 -0.231754675
#> 361 1 90.976 -0.259881605
#> 362 1 91.226 -0.234450210
#> 363 1 91.476 -0.209018814
#> 364 1 91.726 -0.164739061
#> 365 1 91.976 -0.071992105
#> 366 1 92.226 0.020754852
#> 367 1 92.476 0.113501808
#> 368 1 92.726 0.165526201
#> 369 1 92.976 0.214009501
#> 370 1 93.226 0.262492801
#> 371 1 93.476 0.234262003
#> 372 1 93.726 0.153160677
#> 373 1 93.976 0.072059352
#> 374 1 94.226 -0.011746616
#> 375 1 94.476 -0.101985248
#> 376 1 94.726 -0.192223880
#> 377 1 94.976 -0.282462512
#> 378 1 95.226 -0.236223178
#> 379 1 95.476 -0.180652018
#> 380 1 95.726 -0.125080857
#> 381 1 95.976 -0.044236472
#> 382 1 96.226 0.052902492
#> 383 1 96.476 0.150041456
#> 384 1 96.726 0.227160570
#> 385 1 96.976 0.252800069
#> 386 1 97.226 0.278439568
#> 387 1 97.476 0.304079067
#> 388 1 97.726 0.185217471
#> 389 1 97.976 0.059070106
#> 390 1 98.226 -0.067077260
#> 391 1 98.476 -0.150577012
#> 392 1 98.726 -0.208378845
#> 393 1 98.976 -0.266180677
#> 394 1 99.226 -0.282422308
#> 395 1 99.476 -0.199818057
#> 396 1 99.726 -0.117213806
#> 397 1 99.976 -0.034609555
#> 398 1 100.226 0.049942526
#> 399 1 100.476 0.134558998
#> 400 1 100.726 0.219175470
#> 401 1 100.976 0.242357067
#> 402 1 101.226 0.225929336
#> 403 1 101.476 0.209501605
#> 404 1 101.726 0.163396877
#> 405 1 101.976 0.051850564
#> 406 1 102.226 -0.059695749
#> 407 1 102.476 -0.171242062
#> 408 1 102.726 -0.200435213
#> 409 1 102.976 -0.228289287
#> 410 1 103.226 -0.256143362
#> 411 1 103.476 -0.211801870
#> 412 1 103.726 -0.129601726
#> 413 1 103.976 -0.047401582
#> 414 1 104.226 0.035198525
#> 415 1 104.476 0.118618068
#> 416 1 104.726 0.202037612
#> 417 1 104.976 0.285457156
#> 418 1 105.226 0.233114868
#> 419 1 105.476 0.180772579
#> 420 1 105.726 0.128430291
#> 421 1 105.976 0.048007967
#> 422 1 106.226 -0.044220735
#> 423 1 106.476 -0.136449438
#> 424 1 106.726 -0.204515177
#> 425 1 106.976 -0.226502706
#> 426 1 107.226 -0.248490236
#> 427 1 107.476 -0.268628295
#> 428 1 107.726 -0.175023939
#> 429 1 107.976 -0.081419583
#> 430 1 108.226 0.012184773
#> 431 1 108.476 0.096164400
#> 432 1 108.726 0.175779325
#> 433 1 108.976 0.255394249
#> 434 1 109.226 0.278217234
#> 435 1 109.476 0.200076770
#> 436 1 109.726 0.121936307
#> 437 1 109.976 0.043093502
#> 438 1 110.226 -0.046021049
#> 439 1 110.476 -0.135135601
#> 440 1 110.726 -0.224250153
#> 441 1 110.976 -0.239793925
#> 442 1 111.226 -0.219428150
#> 443 1 111.476 -0.199062375
#> 444 1 111.726 -0.151660410
#> 445 1 111.976 -0.059389877
#> 446 1 112.226 0.032880657
#> 447 1 112.476 0.123086576
#> 448 1 112.726 0.172344321
#> 449 1 112.976 0.221602065
#> 450 1 113.226 0.270859809
#> 451 1 113.476 0.233919873
#> 452 1 113.726 0.163458617
#> 453 1 113.976 0.092997361
#> 454 1 114.226 0.001356899
#> 455 1 114.476 -0.123132943
#> 456 1 114.726 -0.247622785
#> 457 1 114.976 -0.360492658
#> 458 1 115.226 -0.303420476
#> 459 1 115.476 -0.246348295
#> 460 1 115.726 -0.189276113
#> 461 1 115.976 -0.085893069
#> 462 1 116.226 0.034101480
#> 463 1 116.476 0.154096028
#> 464 1 116.726 0.223007079
#> 465 1 116.976 0.217796976
#> 466 1 117.226 0.212586873
#> 467 1 117.476 0.204236372
#> 468 1 117.726 0.133601294
#> 469 1 117.976 0.062966216
#> 470 1 118.226 -0.007668862
#> 471 1 118.476 -0.082037228
#> 472 1 118.726 -0.157636784
#> 473 1 118.976 -0.233236340
#>
#> $resp_rate
#> channel resp_rate_hz resp_rate_bpm
#> 1 1 0.2520928 15.12557
#>