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diff --git a/README.markdown b/README.markdown new file mode 100644 index 0000000..94553d9 --- /dev/null +++ b/README.markdown @@ -0,0 +1,44 @@ +data_hacks +======== + +Command line utilities for data analysis + +histogram +========= + +A utility that parses input data points and outputs a text histogram + +Example: + + $ cat /tmp/data | histogram.py + # NumSamples = 29; Max = 10.00; Min = 1.00 + # Mean = 4.379310; Variance = 5.131986; SD = 2.265389 + # each * represents a count of 1 + 1.0000 - 1.9000 [ 1]: * + 1.9000 - 2.8000 [ 5]: ***** + 2.8000 - 3.7000 [ 8]: ******** + 3.7000 - 4.6000 [ 3]: *** + 4.6000 - 5.5000 [ 4]: **** + 5.5000 - 6.4000 [ 2]: ** + 6.4000 - 7.3000 [ 3]: *** + 7.3000 - 8.2000 [ 1]: * + 8.2000 - 9.1000 [ 1]: * + 9.1000 - 10.0000 [ 1]: * + +nintey_five_percent +=================== + +A utility script that takes a stream of decimal values and outputs the 95% time. + +This is useful for finding the 95% response time from access logs. + +Example: + + $ cat access.log | awk '{print $NF}' | nintey_five_percent.py + +Installation +============ + +Installing from source: + +pip install -e git://github.com/bitly/data_hacks.git#egg=data_hacks |