diff options
Diffstat (limited to 'numpy/lib/function_base.py')
| -rw-r--r-- | numpy/lib/function_base.py | 22 |
1 files changed, 20 insertions, 2 deletions
diff --git a/numpy/lib/function_base.py b/numpy/lib/function_base.py index ff56196c3..f69604d6e 100644 --- a/numpy/lib/function_base.py +++ b/numpy/lib/function_base.py @@ -906,7 +906,7 @@ def copy(a, order='K', subok=False): >>> b[0] = 3 >>> b array([3, 2, 3]) - + Note that np.copy is a shallow copy and will not copy object elements within arrays. This is mainly important for arrays containing Python objects. The new array will contain the @@ -2696,7 +2696,7 @@ def corrcoef(x, y=None, rowvar=True, bias=np._NoValue, ddof=np._NoValue, *, relationship between the correlation coefficient matrix, `R`, and the covariance matrix, `C`, is - .. math:: R_{ij} = \\frac{ C_{ij} } { \\sqrt{ C_{ii} * C_{jj} } } + .. math:: R_{ij} = \\frac{ C_{ij} } { \\sqrt{ C_{ii} C_{jj} } } The values of `R` are between -1 and 1, inclusive. @@ -3984,18 +3984,21 @@ def percentile(a, inverted_cdf: method 1 of H&F [1]_. This method gives discontinuous results: + * if g > 0 ; then take j * if g = 0 ; then take i averaged_inverted_cdf: method 2 of H&F [1]_. This method give discontinuous results: + * if g > 0 ; then take j * if g = 0 ; then average between bounds closest_observation: method 3 of H&F [1]_. This method give discontinuous results: + * if g > 0 ; then take j * if g = 0 and index is odd ; then take j * if g = 0 and index is even ; then take i @@ -4003,24 +4006,28 @@ def percentile(a, interpolated_inverted_cdf: method 4 of H&F [1]_. This method give continuous results using: + * alpha = 0 * beta = 1 hazen: method 5 of H&F [1]_. This method give continuous results using: + * alpha = 1/2 * beta = 1/2 weibull: method 6 of H&F [1]_. This method give continuous results using: + * alpha = 0 * beta = 0 linear: method 7 of H&F [1]_. This method give continuous results using: + * alpha = 1 * beta = 1 @@ -4029,6 +4036,7 @@ def percentile(a, This method is probably the best method if the sample distribution function is unknown (see reference). This method give continuous results using: + * alpha = 1/3 * beta = 1/3 @@ -4037,6 +4045,7 @@ def percentile(a, This method is probably the best method if the sample distribution function is known to be normal. This method give continuous results using: + * alpha = 3/8 * beta = 3/8 @@ -4254,18 +4263,21 @@ def quantile(a, inverted_cdf: method 1 of H&F [1]_. This method gives discontinuous results: + * if g > 0 ; then take j * if g = 0 ; then take i averaged_inverted_cdf: method 2 of H&F [1]_. This method gives discontinuous results: + * if g > 0 ; then take j * if g = 0 ; then average between bounds closest_observation: method 3 of H&F [1]_. This method gives discontinuous results: + * if g > 0 ; then take j * if g = 0 and index is odd ; then take j * if g = 0 and index is even ; then take i @@ -4273,24 +4285,28 @@ def quantile(a, interpolated_inverted_cdf: method 4 of H&F [1]_. This method gives continuous results using: + * alpha = 0 * beta = 1 hazen: method 5 of H&F [1]_. This method gives continuous results using: + * alpha = 1/2 * beta = 1/2 weibull: method 6 of H&F [1]_. This method gives continuous results using: + * alpha = 0 * beta = 0 linear: method 7 of H&F [1]_. This method gives continuous results using: + * alpha = 1 * beta = 1 @@ -4299,6 +4315,7 @@ def quantile(a, This method is probably the best method if the sample distribution function is unknown (see reference). This method gives continuous results using: + * alpha = 1/3 * beta = 1/3 @@ -4307,6 +4324,7 @@ def quantile(a, This method is probably the best method if the sample distribution function is known to be normal. This method gives continuous results using: + * alpha = 3/8 * beta = 3/8 |
