How does variation count?

نویسندگان
چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

How Well Does the American Community Survey Count Naturalized Citizens?

BACKGROUND Citizenship status among the foreign born is a crucial indicator of social and political incorporation, yet there are good reasons to suspect that citizenship status is inaccurately reported on U.S. surveys. OBJECTIVE This paper updates research carried out in the mid-1990s by Passel and Clark (1997) on the extent to which foreign-born non-citizen respondents in U.S. government-spo...

متن کامل

Count(q) Does Not Imply Count(p)

I solve a conjecture originally studied by M. Ajtai. It states that for different primes q, p the matching principles Count(q) and Count(p) are logically independent. I prove that this indeed is the case. Actually I show that Count(q) implies Count(p) exactly when each prime factor in p also is a factor in q. 1 The logic of elementary counting “She loves me, she loves me not, she loves me,. . ....

متن کامل

Does metadata count ?

This study investigates the effectiveness of metadata on websites. Specifically, the study investigated whether the extent of metadata use by a site influences the Web Impact Factor (WIF) of the site. The WIF is a Webometric measure of the recognition that a site has on the web. WIFs were calculated for two classes of sites: electronic journals and NZ University Web Sites. The most positive cor...

متن کامل

How to Count

This reprint is provided for personal and noncommercial use. For any other use, please send a request to Permissions,

متن کامل

How does breeding system variation modulate sexual antagonism?

The study of sexually antagonistic (SA) traits remains largely limited to dioecious (separate sex), mobile animals. However, the occurrence of sexual conflict is restricted neither by breeding system (the mode of sexual reproduction, e.g. dioecy or hermaphroditism) nor by sessility. Here, we synthesize how variation in breeding system can affect the evolution and expression of intra- and inter-...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Nature

سال: 1992

ISSN: 0028-0836,1476-4687

DOI: 10.1038/359107a0