Hi when I use the following code:

3dmaskave -mask sphere+tlrc s12_norm+tlrc>Seed.1D

to extract the average time series of a ROI I get this output in the 1D file:

100.482 [17 voxels]
99.7441 [17 voxels]
99.6144 [17 voxels]
100.407 [17 voxels]
101.079 [17 voxels]
100.236 [17 voxels]
99.6143 [17 voxels]
99.9205 [17 voxels]
99.4954 [17 voxels]
99.9381 [17 voxels]
99.9509 [17 voxels]
99.8141 [17 voxels]
100.781 [17 voxels]
100.681 [17 voxels]
100.287 [17 voxels]
99.697 [17 voxels]
100.159 [17 voxels]
99.3279 [17 voxels]
100.391 [17 voxels]
99.6396 [17 voxels]
99.8348 [17 voxels]
99.7401 [17 voxels]
100.422 [17 voxels]
100.148 [17 voxels]
99.6002 [17 voxels]
99.61 [17 voxels]
99.5095 [17 voxels]
99.558 [17 voxels]
99.829 [17 voxels]
100.082 [17 voxels]
100.263 [17 voxels]
99.844 [17 voxels]
100.01 [17 voxels]
99.8369 [17 voxels]
99.9274 [17 voxels]
99.7314 [17 voxels]
99.4874 [17 voxels]
99.7854 [17 voxels]
100.101 [17 voxels]
100.595 [17 voxels]
100.71 [17 voxels]
99.7437 [17 voxels]
99.4249 [17 voxels]
99.5883 [17 voxels]
99.8245 [17 voxels]
100.391 [17 voxels]
100.476 [17 voxels]
99.8407 [17 voxels]
99.6308 [17 voxels]
100.203 [17 voxels]
100.224 [17 voxels]
100.126 [17 voxels]
100.575 [17 voxels]
99.98 [17 voxels]
99.6314 [17 voxels]
99.8863 [17 voxels]
100.193 [17 voxels]
99.761 [17 voxels]
100.177 [17 voxels]
99.8895 [17 voxels]
99.6166 [17 voxels]
100.3 [17 voxels]
99.5761 [17 voxels]
100.049 [17 voxels]
100.03 [17 voxels]
99.7444 [17 voxels]
99.5049 [17 voxels]
100.441 [17 voxels]
100.217 [17 voxels]
100.744 [17 voxels]
100.453 [17 voxels]
100.176 [17 voxels]
99.4191 [17 voxels]
99.517 [17 voxels]
99.3241 [17 voxels]
100.146 [17 voxels]
100.596 [17 voxels]
100.005 [17 voxels]
99.875 [17 voxels]
100.448 [17 voxels]
99.4022 [17 voxels]
99.5803 [17 voxels]
99.8329 [17 voxels]
99.1104 [17 voxels]
100.672 [17 voxels]
99.6149 [17 voxels]
100.506 [17 voxels]
100.67 [17 voxels]
100.149 [17 voxels]
100.501 [17 voxels]
100.558 [17 voxels]
100.433 [17 voxels]
100.272 [17 voxels]
100.049 [17 voxels]
100.226 [17 voxels]
99.9023 [17 voxels]
100.339 [17 voxels]
99.9807 [17 voxels]
100.167 [17 voxels]
100.617 [17 voxels]
101.039 [17 voxels]
100.559 [17 voxels]
100.296 [17 voxels]
99.9034 [17 voxels]
99.8941 [17 voxels]
99.7223 [17 voxels]
99.3291 [17 voxels]
99.1695 [17 voxels]
100.279 [17 voxels]
99.6373 [17 voxels]
99.5593 [17 voxels]
99.0051 [17 voxels]
99.4758 [17 voxels]
99.6607 [17 voxels]
99.4898 [17 voxels]
99.3712 [17 voxels]
98.9785 [17 voxels]
99.5315 [17 voxels]
100.375 [17 voxels]
100.997 [17 voxels]
100.492 [17 voxels]
100.529 [17 voxels]
100.401 [17 voxels]
100.425 [17 voxels]
99.4127 [17 voxels]
99.6929 [17 voxels]
100.059 [17 voxels]
100.204 [17 voxels]
99.6475 [17 voxels]
100.167 [17 voxels]
99.9924 [17 voxels]
100.093 [17 voxels]
100.338 [17 voxels]
99.7128 [17 voxels]
100.138 [17 voxels]
100.2 [17 voxels]
100.182 [17 voxels]
99.9612 [17 voxels]
100.074 [17 voxels]
99.5328 [17 voxels]
99.4861 [17 voxels]
100.033 [17 voxels]
100.203 [17 voxels]
100.133 [17 voxels]
99.3272 [17 voxels]
99.9064 [17 voxels]
100.542 [17 voxels]
100.822 [17 voxels]
99.7581 [17 voxels]
99.8276 [17 voxels]
99.9425 [17 voxels]
100.204 [17 voxels]
99.7904 [17 voxels]
100.171 [17 voxels]
100.021 [17 voxels]
99.7012 [17 voxels]
99.8155 [17 voxels]
99.8802 [17 voxels]
100.321 [17 voxels]
100.447 [17 voxels]
100.007 [17 voxels]
100.846 [17 voxels]
100.558 [17 voxels]
100.732 [17 voxels]
100.633 [17 voxels]
100.248 [17 voxels]
99.9474 [17 voxels]
99.6844 [17 voxels]
99.7161 [17 voxels]
99.8353 [17 voxels]
99.545 [17 voxels]
99.6656 [17 voxels]
99.3325 [17 voxels]
99.7345 [17 voxels]
99.6522 [17 voxels]
99.9301 [17 voxels]
99.8905 [17 voxels]
99.7946 [17 voxels]
100.037 [17 voxels]
100.356 [17 voxels]
100.352 [17 voxels]
100.099 [17 voxels]
99.6316 [17 voxels]
99.8212 [17 voxels]
99.7593 [17 voxels]
100.397 [17 voxels]
100.502 [17 voxels]
100.069 [17 voxels]
99.6975 [17 voxels]
99.3353 [17 voxels]
99.2389 [17 voxels]
99.8919 [17 voxels]
100.221 [17 voxels]
99.585 [17 voxels]
99.7832 [17 voxels]
99.7438 [17 voxels]
100.12 [17 voxels]
100.392 [17 voxels]
100.001 [17 voxels]
99.6786 [17 voxels]
100.541 [17 voxels]
100.128 [17 voxels]
99.8642 [17 voxels]
99.4835 [17 voxels]
100.164 [17 voxels]
100.026 [17 voxels]
100.377 [17 voxels]
100.098 [17 voxels]
100.451 [17 voxels]
100.177 [17 voxels]
100.137 [17 voxels]
100.496 [17 voxels]
99.6882 [17 voxels]
99.8466 [17 voxels]
100.13 [17 voxels]
100.049 [17 voxels]
100.845 [17 voxels]
100.387 [17 voxels]
100.798 [17 voxels]
100.172 [17 voxels]
99.7261 [17 voxels]
99.4062 [17 voxels]
99.6343 [17 voxels]
100.093 [17 voxels]
99.7254 [17 voxels]
99.5977 [17 voxels]
99.859 [17 voxels]
99.9321 [17 voxels]
99.8908 [17 voxels]
99.9622 [17 voxels]
100.394 [17 voxels]
100.382 [17 voxels]
100.283 [17 voxels]
99.8152 [17 voxels]
99.1413 [17 voxels]
99.4338 [17 voxels]
100.003 [17 voxels]
99.6599 [17 voxels]
99.9384 [17 voxels]
100.357 [17 voxels]
100.137 [17 voxels]
99.1633 [17 voxels]
99.2325 [17 voxels]
100.157 [17 voxels]
99.9426 [17 voxels]
100.421 [17 voxels]
99.9397 [17 voxels]
100.005 [17 voxels]
99.7952 [17 voxels]
99.8579 [17 voxels]
99.5401 [17 voxels]
99.6768 [17 voxels]
99.5216 [17 voxels]
99.4135 [17 voxels]
100.08 [17 voxels]
99.8944 [17 voxels]
99.6165 [17 voxels]
100.298 [17 voxels]
99.4569 [17 voxels]
100.339 [17 voxels]
99.8296 [17 voxels]
100.015 [17 voxels]
100.788 [17 voxels]
100.171 [17 voxels]
99.0328 [17 voxels]
99.2219 [17 voxels]
99.8074 [17 voxels]
99.9646 [17 voxels]
100.407 [17 voxels]
100.519 [17 voxels]
99.6401 [17 voxels]
99.996 [17 voxels]
100.097 [17 voxels]
99.8777 [17 voxels]
99.8029 [17 voxels]
100.124 [17 voxels]
100.153 [17 voxels]
100.274 [17 voxels]
100.596 [17 voxels]
100.625 [17 voxels]
100.735 [17 voxels]
100.539 [17 voxels]
99.9453 [17 voxels]
100.446 [17 voxels]
100.762 [17 voxels]
100.389 [17 voxels]
100.237 [17 voxels]
99.9404 [17 voxels]
100.09 [17 voxels]
99.6248 [17 voxels]
99.622 [17 voxels]
99.9539 [17 voxels]
99.0184 [17 voxels]
100.375 [17 voxels]
100.732 [17 voxels]
100.252 [17 voxels]
99.9058 [17 voxels]
99.9889 [17 voxels]
99.765 [17 voxels]
100.065 [17 voxels]
100.026 [17 voxels]
100.652 [17 voxels]
100.504 [17 voxels]
99.1041 [17 voxels]
99.5456 [17 voxels]
99.3227 [17 voxels]
99.4354 [17 voxels]
99.6634 [17 voxels]
99.9231 [17 voxels]
100.355 [17 voxels]
100.358 [17 voxels]
100.416 [17 voxels]
100.381 [17 voxels]
99.7669 [17 voxels]
99.7197 [17 voxels]
99.7673 [17 voxels]
99.9708 [17 voxels]
99.7378 [17 voxels]
99.9208 [17 voxels]
100.067 [17 voxels]
100.208 [17 voxels]
100.134 [17 voxels]
100.587 [17 voxels]
100.141 [17 voxels]
100.36 [17 voxels]
100.329 [17 voxels]
100.049 [17 voxels]
99.2739 [17 voxels]
99.2862 [17 voxels]
100.475 [17 voxels]
100.532 [17 voxels]
100.87 [17 voxels]
100.612 [17 voxels]
99.952 [17 voxels]
99.4618 [17 voxels]
99.5506 [17 voxels]
99.6675 [17 voxels]
100.028 [17 voxels]
99.3686 [17 voxels]
99.9735 [17 voxels]
99.5864 [17 voxels]
100.059 [17 voxels]
100.144 [17 voxels]
100.44 [17 voxels]
99.711 [17 voxels]
99.8011 [17 voxels]
99.7735 [17 voxels]
100.334 [17 voxels]
99.8794 [17 voxels]
99.8795 [17 voxels]
99.9075 [17 voxels]
99.9618 [17 voxels]
99.1158 [17 voxels]
99.8699 [17 voxels]
99.7274 [17 voxels]
100.001 [17 voxels]
99.9588 [17 voxels]
100.8 [17 voxels]
100.415 [17 voxels]
100.106 [17 voxels]
99.8293 [17 voxels]
100.155 [17 voxels]
100.021 [17 voxels]
100.372 [17 voxels]
99.9679 [17 voxels]
100.448 [17 voxels]
100.107 [17 voxels]
100.08 [17 voxels]
99.8256 [17 voxels]
100.337 [17 voxels]
100.449 [17 voxels]
100.625 [17 voxels]
99.7356 [17 voxels]
100.15 [17 voxels]
100.642 [17 voxels]
100.651 [17 voxels]
99.8411 [17 voxels]
100.298 [17 voxels]
100.637 [17 voxels]
100.208 [17 voxels]
100.14 [17 voxels]
99.647 [17 voxels]
100.017 [17 voxels]
99.781 [17 voxels]
99.7934 [17 voxels]
100.519 [17 voxels]
101.113 [17 voxels]
100.032 [17 voxels]
99.1198 [17 voxels]
99.1288 [17 voxels]
99.5128 [17 voxels]
99.5153 [17 voxels]
99.7981 [17 voxels]
99.9371 [17 voxels]
100.401 [17 voxels]
100.54 [17 voxels]
100.394 [17 voxels]
100.28 [17 voxels]
100.489 [17 voxels]
100.238 [17 voxels]
100.356 [17 voxels]
99.5334 [17 voxels]
100.09 [17 voxels]
100.191 [17 voxels]
99.5508 [17 voxels]
100.126 [17 voxels]
100.346 [17 voxels]
100.525 [17 voxels]
99.8497 [17 voxels]
99.952 [17 voxels]
100.262 [17 voxels]
99.9735 [17 voxels]
100.064 [17 voxels]
99.9391 [17 voxels]
100.371 [17 voxels]
100.229 [17 voxels]
100.864 [17 voxels]
99.557 [17 voxels]
100.056 [17 voxels]
100.237 [17 voxels]
99.6033 [17 voxels]
99.6768 [17 voxels]
99.6204 [17 voxels]
99.7395 [17 voxels]
99.9607 [17 voxels]
100.509 [17 voxels]
99.9034 [17 voxels]
100.071 [17 voxels]
99.9017 [17 voxels]
100.089 [17 voxels]
99.8792 [17 voxels]
99.6894 [17 voxels]
99.8681 [17 voxels]
100.224 [17 voxels]
99.5 [17 voxels]
100.108 [17 voxels]
100.08 [17 voxels]
100.485 [17 voxels]
99.9716 [17 voxels]
98.9626 [17 voxels]
98.7766 [17 voxels]
98.1576 [17 voxels]

I don't want the '17 voxels' in there. How do I get rid of it? I tried using the -quiet option but that didn't work.

thanks,
Lesley