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-rwxr-xr-xwqflask/basicStatistics/corestats.py64
1 files changed, 32 insertions, 32 deletions
diff --git a/wqflask/basicStatistics/corestats.py b/wqflask/basicStatistics/corestats.py
index 4f2d122f..eba84c52 100755
--- a/wqflask/basicStatistics/corestats.py
+++ b/wqflask/basicStatistics/corestats.py
@@ -1,8 +1,8 @@
#!/usr/bin/env python
-# corestats.py (COREy STATS)
+# corestats.py (COREy STATS)
# Copyright (c) 2006-2007, Corey Goldberg (corey@goldb.org)
-#
+#
# statistical calculation class
# for processing numeric sequences
#
@@ -19,65 +19,65 @@ import sys
class Stats:
-
+
def __init__(self, sequence):
# sequence of numbers we will process
- # convert all items to floats for numerical processing
+ # convert all items to floats for numerical processing
self.sequence = [float(item) for item in sequence]
-
+
def sum(self):
- if len(self.sequence) < 1:
+ if len(self.sequence) < 1:
return None
else:
return sum(self.sequence)
-
-
+
+
def count(self):
return len(self.sequence)
-
+
def min(self):
- if len(self.sequence) < 1:
+ if len(self.sequence) < 1:
return None
else:
return min(self.sequence)
-
-
+
+
def max(self):
- if len(self.sequence) < 1:
+ if len(self.sequence) < 1:
return None
else:
return max(self.sequence)
-
+
def avg(self):
- if len(self.sequence) < 1:
+ if len(self.sequence) < 1:
return None
- else:
- return sum(self.sequence) / len(self.sequence)
-
-
+ else:
+ return sum(self.sequence) / len(self.sequence)
+
+
def median(self):
- if len(self.sequence) < 1:
+ if len(self.sequence) < 1:
return None
else:
self.sequence.sort()
return self.sequence[len(self.sequence) // 2]
-
-
+
+
def stdev(self):
- if len(self.sequence) < 1:
+ if len(self.sequence) < 1:
return None
else:
avg = self.avg()
sdsq = sum([(i - avg) ** 2 for i in self.sequence])
stdev = (sdsq / (len(self.sequence) - 1)) ** .5
return stdev
-
-
+
+
def percentile(self, percentile):
- if len(self.sequence) < 1:
+ if len(self.sequence) < 1:
value = None
elif (percentile >= 100):
sys.stderr.write('ERROR: percentile must be < 100. you supplied: %s\n'% percentile)
@@ -87,17 +87,17 @@ class Stats:
self.sequence.sort()
value = self.sequence[element_idx]
return value
-
-
-
+
+
+
# Sample script using this class:
-# -------------------------------------------
+# -------------------------------------------
# #!/usr/bin/env python
# import corestats
-#
+#
# sequence = [1, 2.5, 7, 13.4, 8.0]
# stats = corestats.Stats(sequence)
# print stats.avg()
# print stats.percentile(90)
-# -------------------------------------------
+# -------------------------------------------