Roei roeioved
kmpm
/ map_reduce_stddev.js
Created
September 12, 2011 16:41
— forked from dmitryame/Calculate standard deviation in mongo
mongo db Standard deviation calculation with map reduce using the Welford algoritm.
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| /* | |
| * (The MIT License) | |
| * | |
| * Copyright (c) 2011 Peter Magnusson <[email protected]> | |
| * | |
| * Permission is hereby granted, free of charge, to any person obtaining | |
| * a copy of this software and associated documentation files (the | |
| * 'Software'), to deal in the Software without restriction, including | |
| * without limitation the rights to use, copy, modify, merge, publish, | |
| * distribute, sublicense, and/or sell copies of the Software, and to |