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--- python_cookbook [2016/08/22 13:35]
mantis [Headline]
+++ python_cookbook [2019/01/29 13:59]
mantis [Spline Polynoms]
@@ Line 1145: / Line 1145: @@
   * [[http://docs.python.org/lib/module-logging.html|Logger Documentation]]
-  * [[http://docs.python.org/release/2.5/lib/node422.html|Output Formatting]]
+  * [[http://docs.python.org/release/2.5/lib/node422.html|Python 2 output Formatting]]
+  * [[https://docs.python.org/3/howto/logging-cookbook.html|Python 3 logging cookbook]]
 ====== Mathematics ======
@@ Line 1778: / Line 1779: @@
 y = numpy.array([41.621207814814809, 42.328298238095236, 45.881729878787887, 43.800834224999996])
 y_smoothed = scipy.signal.cspline1d(y)
+</code>
+===== t-test =====
+<code python>
+from scipy import stats
+import numpy
+import statistics
+# http://www.biostathandbook.com/onesamplettest.html
+data = [120.6, 116.4,117.2,118.1,114.1,116.9,113.3,121.1,116.9,117.0]
+m = sum(data)/len(data)
+null_hypothesis = 120
+t_value, p_value = stats.ttest_1samp(data, null_hypothesis)
+print(statistics.stdev(data))
+print(numpy.std(data, ddof=1))
+print(t_value, p_value)
 </code>
 ====== Statistical Functions ======

Small heaps of code