منابع مشابه
Session / Séance 51 - C Terrain Elevation Data Structure Operations
We describe several programs working with 1201x1201 gridded (array) terrain elevation data: determining the viewshed of an observer, and the visibility indices of all points, converting from a grid to a TIN, losslessly and lossily compressing a grid, and interpolating from contours to a grid. The intent is to integrate these, and new, programs, into a test suite the better to understand hypsogr...
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Ordinal symbolic dynamics is a promising new approach to the investigation of time series and the systems behind them, with the important properties of being conceptually simple and relatively robust with respect to noise. The idea behind it is to consider the order relation between the values of a time series instead of the values themselves. Roughly speaking, a given time series is transforme...
متن کاملFertility awareness-based mobile application for contraception
OBJECTIVES The aim of the study was to retrospectively evaluate the effectiveness of a fertility awareness-based method supported by a mobile-based application to prevent unwanted pregnancies as a method of natural birth control. METHODS In a retrospective analysis, the application's efficiency as a contraceptive method was examined on data from 4054 women who used the application as contrace...
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ژورنال
عنوان ژورنال: Human Reproduction
سال: 2013
ISSN: 0268-1161,1460-2350
DOI: 10.1093/humrep/det184