/external/webrtc/webrtc/voice_engine/test/auto_test/standard/ |
H A D | video_sync_test.cc | 58 // Computes the standard deviation by first estimating the sample variance 66 float variance = 0; local 68 variance += (*start - mean) * (*start - mean) / (num_elements - 1); 70 return sqrt(variance);
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/external/apache-commons-math/src/main/java/org/apache/commons/math/stat/descriptive/ |
H A D | StatisticalSummaryValues.java | 38 /** The sample variance */ 39 private final double variance; field in class:StatisticalSummaryValues 57 * @param variance the sample variance 63 public StatisticalSummaryValues(double mean, double variance, long n, argument 67 this.variance = variance; 113 return FastMath.sqrt(variance); 117 * @return Returns the variance. 120 return variance; [all...] |
H A D | SummaryStatistics.java | 45 * default implementation for the variance can be overridden by calling 67 /** SecondMoment is used to compute the mean and variance */ 91 /** variance of values that have been added */ 92 protected Variance variance = new Variance(); field in class:SummaryStatistics 116 private StorelessUnivariateStatistic varianceImpl = variance; 154 // If mean, variance or geomean have been overridden, 230 * Returns the variance of the values that have been added. 234 * @return the variance 237 if (varianceImpl == variance) { 321 outBuffer.append("variance [all...] |
/external/apache-commons-math/src/main/java/org/apache/commons/math/stat/descriptive/moment/ |
H A D | StandardDeviation.java | 26 * is the positive square root of the variance. This implementation wraps a 30 * bias-corrected "sample variance") or the "population standard deviation" 31 * (the square root of the non-bias-corrected "population variance"). See 48 private Variance variance = null; field in class:StandardDeviation 55 variance = new Variance(); 64 variance = new Variance(m2); 84 * @param isBiasCorrected whether or not the variance computation will use 88 variance = new Variance(isBiasCorrected); 98 * @param isBiasCorrected whether or not the variance computation will use 103 variance [all...] |
/external/chromium-trace/catapult/telemetry/telemetry/value/ |
H A D | list_of_scalar_values.py | 14 """ Compute the population variance. 42 list_of_variances: a list of numbers, the i-th element is the variance of 44 Variance(sample) to get the variance of the i-th sample. 53 variance = list_of_variances[i] if list_of_variances else Variance(l) 54 pooled_variance += k * variance 103 def variance(self): member in class:ListOfScalarValues 218 list_of_samples, list_of_variances=[v.variance for v in values])
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/external/guava/guava-tests/benchmark/com/google/common/math/ |
H A D | StatsBenchmark.java | 28 * Benchmarks for various algorithms for computing the mean and/or variance. 75 private final double variance; field in class:StatsBenchmark.MeanAndVariance 77 MeanAndVariance(double mean, double variance) { argument 79 this.variance = variance; 84 return Doubles.hashCode(mean) * 31 + Doubles.hashCode(variance); 91 MeanAndVariance variance(double[] values, MeanAlgorithm meanAlgorithm) { 97 MeanAndVariance variance(double[] values, MeanAlgorithm meanAlgorithm) { 109 MeanAndVariance variance(double[] values, MeanAlgorithm meanAlgorithm) { 126 MeanAndVariance variance(doubl 141 abstract MeanAndVariance variance(double[] values, MeanAlgorithm meanAlgorithm); method in class:StatsBenchmark.VarianceAlgorithm [all...] |
/external/webrtc/webrtc/modules/audio_processing/test/ |
H A D | test_utils.h | 107 float ComputeSNR(const T* ref, const T* test, size_t length, float* variance) { argument 110 *variance = 0; 114 *variance += ref[i] * ref[i]; 118 *variance /= length; 120 *variance -= mean * mean; 124 snr = 10 * log10(*variance / mse);
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/external/antlr/antlr-3.4/runtime/Ruby/lib/antlr3/ |
H A D | profile.rb | 84 def variance method in class:ANTLR3.Profile.DataSet 90 sqrt( variance )
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/external/apache-commons-math/src/main/java/org/apache/commons/math/stat/ |
H A D | StatUtils.java | 63 /** variance */ 301 * Returns the variance of the entries in the input array, or 312 * @return the variance of the values or Double.NaN if the array is empty 315 public static double variance(final double[] values) { method in class:StatUtils 320 * Returns the variance of the entries in the specified portion of 335 * @return the variance of the values or Double.NaN if length = 0 339 public static double variance(final double[] values, final int begin, method in class:StatUtils 345 * Returns the variance of the entries in the specified portion of 366 * @return the variance of the values or Double.NaN if length = 0 370 public static double variance(fina method in class:StatUtils 397 public static double variance(final double[] values, final double mean) { method in class:StatUtils [all...] |
/external/libvpx/libvpx/vp9/encoder/ |
H A D | vp9_blockiness.c | 23 static int variance(int sum, int sum_squared, int size) { function 45 // by dividing the blockiness by the variance of the pixels on either side 70 var_0 = variance(sum_0, sum_sq_0, size); 71 var_1 = variance(sum_1, sum_sq_1, size); 102 var_0 = variance(sum_0, sum_sq_0, size); 103 var_1 = variance(sum_1, sum_sq_1, size);
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H A D | vp9_denoiser.c | 574 // the variance to update estimate of noise in the source. 611 // Compute variance. 613 unsigned int variance = cpi->fn_ptr[bsize].vf(src_y, local 619 // average term (sse - variance = N * avg^{2}, N = 16X16) of the 621 if ((sse - variance) < thresh_sum_diff) { 626 avg_est += variance / (10 + spatial_variance);
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/external/webrtc/webrtc/modules/audio_processing/intelligibility/ |
H A D | intelligibility_utils.h | 47 // The result is an array of variances per position: the i-th variance 48 // is the variance of the stream of data on the i-th positions in the 91 const float* variance() const { return variance_.get(); } function in class:webrtc::intelligibility::VarianceArray
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/external/deqp/modules/gles31/functional/ |
H A D | es31fSampleVariableTests.cpp | 162 const float variance = (1.0f / (12.0f * (float)m_numSamples)); local 163 const float standardDeviation = deFloatSqrt(variance);
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/external/libvpx/libvpx/vpx_dsp/ |
H A D | variance.c | 17 #include "vpx_dsp/variance.h" 80 static void variance(const uint8_t *a, int a_stride, function 165 variance(a, a_stride, b, b_stride, W, H, sse, &sum); \ 207 /* Identical to the variance call except it takes an additional parameter, sum, 215 variance(a, a_stride, b, b_stride, W, H, sse, sum); \ 218 /* Identical to the variance call except it does not calculate the 227 variance(a, a_stride, b, b_stride, W, H, sse, &sum); \ 231 /* All three forms of the variance are available in the same sizes. */ 577 /* All three forms of the variance are available in the same sizes. */
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/external/pdfium/xfa/src/fxbarcode/oned/ |
H A D | BC_OneDReader.cpp | 178 int32_t variance = counter > scaledPattern ? counter - scaledPattern
local 180 if (variance > maxIndividualVariance) {
184 totalVariance += variance;
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H A D | BC_OneDimReader.cpp | 206 int32_t variance = PatternMatchVariance(counters, &patterns[i * 4],
local 208 if (variance < bestVariance) {
209 bestVariance = variance;
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H A D | BC_OnedCode128Reader.cpp | 111 int32_t variance = PatternMatchVariance(
local 113 if (variance < bestVariance) {
114 bestVariance = variance;
158 int32_t variance = PatternMatchVariance(counters, &CODE_PATTERNS[d][0],
local 160 if (variance < bestVariance) {
161 bestVariance = variance;
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/external/webrtc/webrtc/common_audio/ |
H A D | audio_converter_unittest.cc | 58 float variance = 0; local 64 variance += ref.channels()[i][j] * ref.channels()[i][j]; 71 variance /= length; 73 variance -= mean * mean; 76 snr = 10 * std::log10(variance / mse);
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/external/webrtc/webrtc/voice_engine/ |
H A D | utility_unittest.cc | 98 float variance = 0; local 103 variance += ref_frame.data_[i] * ref_frame.data_[i]; 107 snr = 10 * log10(variance / mse);
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/external/harfbuzz_ng/test/shaping/ |
H A D | hb_test_tools.py | 189 def variance (self): member in class:Stats 194 return self.variance () ** .5
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/external/opencv3/modules/imgproc/src/ |
H A D | grabcut.cpp | 176 const double variance = 0.01; local 198 c[0] += variance; 199 c[4] += variance; 200 c[8] += variance;
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/external/pdfium/xfa/src/fxbarcode/pdf417/ |
H A D | BC_PDF417Detector.cpp | 342 int32_t variance = counter > scaledPattern ? counter - scaledPattern
local 344 if (variance > maxIndividualVariance) {
347 totalVariance += variance;
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/external/deqp/modules/glshared/ |
H A D | glsStateChangePerfTestCases.cpp | 59 double variance; member in struct:deqp::gls::__anon4623::ResultStats 79 result.variance += (val - result.mean) * (val - result.mean); 82 result.variance /= (double)values.size(); 548 log << TestLog::Message << "Interleaved variance: " << interleaved.variance << TestLog::EndMessage; 554 log << TestLog::Message << "Batched variance: " << batched.variance << TestLog::EndMessage; 702 log << TestLog::Message << "Iteration variance time: " << varIteration << TestLog::EndMessage;
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/external/mesa3d/src/mesa/main/ |
H A D | texcompress_fxt1.c | 334 fxt1_variance (GLdouble variance[MAX_COMP], argument 354 if (variance) { 355 variance[i] = var; 1083 /* Scan the channel with max variance for lo & hi
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/external/opencv3/modules/flann/include/opencv2/flann/ |
H A D | kmeans_index.h | 537 DistanceType variance; local 540 int clusterCount = getMinVarianceClusters(root_, clusters, numClusters, variance); 580 * The cluster variance. 582 DistanceType variance; member in struct:cvflann::KMeansIndex::KMeansNode 660 * Computes the statistics of a node (mean, radius, variance). 670 DistanceType variance = 0; local 681 variance += distance_(vec, ZeroIterator<ElementType>(), veclen_); 686 variance /= size_; 687 variance -= distance_(mean, ZeroIterator<ElementType>(), veclen_); 697 node->variance 850 DistanceType variance = 0; local 1074 DistanceType variance = meanVariance - clusters[i]->variance*clusters[i]->size; local [all...] |