References
References
- Ahmed N Rao KR 1975 Orthogonal transforms for digital signal processing Berlin Germany Springer Verlag
- Beauchamp KG 1984 Applications of Walsh and related functions London UK Academic Press
- Bigelow , JA and Houpt , TR . 1988 . Feeding and drinking patterns in young pigs . Physiology & Behavior , 43 : 99 – 109 .
- Bloomfield P 1976 Fourier analysis of time series: an introduction New York Wiley
- Broadbent , HA and Maksik , YA . 1992 . Analysis of periodic data using Walsh functions . Behav Res. Methods, Instruments & Computers , 24 : 238 – 247 .
- Brown , RD . 1977 . A Recursive Algorithm for Sequency-Ordered Fast Walsh Transforms . IEEE Transactions on Computers , 26 : 819 – 822 .
- Collier , G . 1989 . The economics of hunger, thirst, satiety, and regulation . Ann NY Acad Sci , 575 : 136 – 154 .
- Harmuth HF 1969 Transmission of information by orthogonal functions New York Springer Verlag
- Hernandez , G . 1999 . Time series, periodograms, and significance . J Geophys Res , 104 : 10355 – 10368 .
- Houpt , TR . 1984 . Control of feeding in pigs . J Anim Sci , 59 : 1345 – 1353 .
- Houpt , TR . 1985 . The physiological determination of meal size in pigs . Proc Nutr Soc , 44 : 323 – 330 .
- Hsia , LC and Wood-Gush , DGM . 1984a . Social facilitation in the feeding behavior of pigs and the effect of rank . Appl Anim Ethol , 11 : 265 – 270 .
- Hsia , LC and Wood-Gush , DGM . 1984b . The temporal patterns of food intake and allelomimetic feeding by pigs of different ages . Appl Anim Ethol , 11 : 271 – 282 .
- Hyun , Y , Ellis , M and Johnson , RW . 1998 . Effects of feeder type, space allowance, and mixing on the growth performance and feed intake pattern of growing pigs . J Anim Sci , 76 : 2771 – 2778 .
- Ingram , DL , Walters , DE and Legge , KF . 1980 . Variations in motor activity and in food and water intake over 24 h periods in pigs . J Agri Sci Camb , 95 : 371 – 380 .
- Kowalski , A , Musial , F , Enck , P and Kalveram , KTh . 2000 . Spectral analysis of binary time series: Square waves vs. sinusoidal functions . Biol Rhythm Res , 31 ( 4 ) : 481 – 498 .
- Morgan , CA , Deans , LA , Lawrence , AB and Nielsen , BL . 1998 . The effects of straw bedding on the feeding and social behavior of growing pigs fed by means of single-space feeders . Appl Anim Behav Sci , 58 : 23 – 33 .
- Musial F Kowalski A Enck P Kalveram KTh 1998 Temporal analysis of feeding behavior in miniature pigs Deutsche Tierärztliche Wochenschrift 456 460
- Musial , F , Kowalski , A , Enck , P and Kalveram , KTh . 1999 . A computer-controlled, long-term recording system for studying eating, drinking and defecation behavior in miniature pigs . Physiology & Behavior , 68 : 73 – 80 .
- Nielsen , BL , Lawrence , AB and Wittemore , CT . 1996 . Effect of individual housing on the feeding behavior of previously group housed growing pigs . Appl Anim Behav Sci , 47 : 235 – 246 .
- Nielsen , BL . 1999 . On the interpretation of feeding behavior measures and the use of feeding rate as an indicator of social constraint . Appl Anim Behav Sci , 63 : 79 – 91 .
- Stoffer , DS . 1991 . Walsh-Fourier Analysis and its Statistical Applications . J Am Statistical Assoc , 86 : 461 – 479 .
- Tong H 1990 Non-linear Time Series. A Dynamical System Approach New York Oxford University Press
- Walsh , JL . 1923 . A closed set of orthogonal functions . Am J Mathematics , 4 : 5 – 24 .