Searched defs:variance (Results 1 - 19 of 19) sorted by relevance

/external/linux-tools-perf/src/tools/perf/util/
H A Dstat.c44 double variance, variance_mean; local
49 variance = stats->M2 / (stats->n - 1);
50 variance_mean = variance / stats->n;
/external/lldb/tools/lldb-perf/lib/
H A DMetric.cpp76 T variance; local
78 variance = M2 / n;
80 variance = M2 / (n - 1);
81 return sqrt(variance);
/external/apache-commons-math/src/main/java/org/apache/commons/math/stat/descriptive/
H A DStatisticalSummaryValues.java38 /** 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;
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H A DSummaryStatistics.java45 * 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
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/external/apache-commons-math/src/main/java/org/apache/commons/math/stat/descriptive/moment/
H A DStandardDeviation.java26 * 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
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/external/guava/guava-tests/benchmark/com/google/common/math/
H A DStatsBenchmark.java28 * 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
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/external/antlr/antlr-3.4/runtime/Ruby/lib/antlr3/
H A Dprofile.rb84 def variance method in class:ANTLR3.Profile.DataSet
90 sqrt( variance )
/external/apache-commons-math/src/main/java/org/apache/commons/math/stat/
H A DStatUtils.java63 /** 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
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/external/deqp/modules/gles31/functional/
H A Des31fSampleVariableTests.cpp157 const float variance = (1.0f / (12.0f * m_numSamples)); local
158 const float standardDeviation = deFloatSqrt(variance);
/external/harfbuzz_ng/test/shaping/
H A Dhb_test_tools.py185 def variance (self): member in class:Stats
190 return self.variance () ** .5
/external/libvpx/libvpx/vp8/common/
H A Dvariance_c.c12 #include "variance.h"
34 static void variance( function
76 variance(src_ptr, source_stride, ref_ptr, recon_stride, 16, 16, &var, &avg);
92 variance(src_ptr, source_stride, ref_ptr, recon_stride, 8, 16, &var, &avg);
108 variance(src_ptr, source_stride, ref_ptr, recon_stride, 16, 8, &var, &avg);
125 variance(src_ptr, source_stride, ref_ptr, recon_stride, 8, 8, &var, &avg);
141 variance(src_ptr, source_stride, ref_ptr, recon_stride, 4, 4, &var, &avg);
157 variance(src_ptr, source_stride, ref_ptr, recon_stride, 16, 16, &var, &avg);
/external/libvpx/libvpx/vp9/encoder/
H A Dvp9_variance.c21 void variance(const uint8_t *a, int a_stride, function
117 variance(a, a_stride, b, b_stride, W, H, sse, &sum); \
162 variance(src_ptr, source_stride, ref_ptr, ref_stride, 16, 16, sse, sum);
168 variance(src_ptr, source_stride, ref_ptr, ref_stride, 8, 8, sse, sum);
175 variance(src, src_stride, ref, ref_stride, 16, 16, sse, &sum);
183 variance(src, src_stride, ref, ref_stride, 16, 8, sse, &sum);
191 variance(src, src_stride, ref, ref_stride, 8, 16, sse, &sum);
199 variance(src, src_stride, ref, ref_stride, 8, 8, sse, &sum);
H A Dvp9_encodeframe.c59 // This is used as a reference when computing the source variance for the
219 int variance; member in struct:__anon9557
299 // Set variance values given sum square error, sum error, count.
305 v->variance = (int)(256 *
309 v->variance = 0;
348 vt.part_variances->none.variance < threshold) {
355 vt.part_variances->vert[0].variance < threshold &&
356 vt.part_variances->vert[1].variance < threshold) {
365 vt.part_variances->horz[0].variance < threshold &&
366 vt.part_variances->horz[1].variance < threshol
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/external/deqp/modules/glshared/
H A DglsStateChangePerfTestCases.cpp59 double variance; member in struct:deqp::gls::__anon3779::ResultStats
79 result.variance += (val - result.mean) * (val - result.mean);
82 result.variance /= 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;
/external/mesa3d/src/mesa/main/
H A Dtexcompress_fxt1.c334 fxt1_variance (GLdouble variance[MAX_COMP], argument
354 if (variance) {
355 variance[i] = var;
1083 /* Scan the channel with max variance for lo & hi
/external/skia/src/effects/
H A DSkBlurMask.cpp861 float variance = sigma * sigma; local
875 float gaussian = expf(-x*x / (2*variance));
/external/opencv/cvaux/include/
H A Dcvaux.h122 float* log_var_val; /* sum of 0.5 (LN2PI + ln(variance[i]) ) for i=1,n */
1352 double variance[CV_BGFG_MOG_NCOLORS]; member in struct:CvGaussBGValues
/external/zxing/core/
H A Dcore.jarMETA-INF/ META-INF/MANIFEST.MF com/ com/google/ com/google/zxing/ com/google/zxing/oned/ ...
/external/owasp/sanitizer/tools/findbugs/lib/
H A Dfindbugs.jarMETA-INF/ META-INF/MANIFEST.MF default.xsl edu/ edu/umd/ edu/umd/cs/ edu/ ...

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