Prices of Foreign Library Materials: A Report
نویسندگان
چکیده
منابع مشابه
Foreign Library Interface
We present an improved Foreign Function Interface (FFI) for R to call arbitary native functions without the need for C wrapper code. Further we discuss a dynamic linkage framework for binding standard C libraries to R across platforms using a universal type information format. The package rdyncall comprises the framework and an initial repository of crossplatform bindings for standard libraries...
متن کاملMaterials Prices and Productivity
There is substantial within-industry variation in the prices that plants pay for their material inputs. Using plant-level data from the U.S. Census Bureau, I explore the consequences and sources of this variation in materials prices. For a sample of industries with relatively homogeneous products, the standard deviation of plant-level productivity would be 7% smaller if all plants faced the sam...
متن کاملcritical period effects in foreign language learning:the influence of maturational state on the acquisition of reading,writing, and grammar in english as a foreign language
since the 1960s the age effects on learning both first and second language have been explored by many linguists and applied linguists (e.g lennerberg, 1967; schachter, 1996; long, 1990) and the existence of critical period for language acquisition was found to be a common ground of all these studies. in spite of some common findings, some issues about the impacts of age on acquiring a second or...
15 صفحه اولToothbrush: A Report of an Unusual Foreign Body
Introduction: Ingestion of a foreign body is a common problem among all age groups. Most of the foreign bodies in the pharynx are usually lodged at the level of cricopharynx. The diagnosis is based on history, clinical, and radiological examination. Most foreign-body ingestions are accidental, but there may be contributory factors such as mental disorder, alcoholism, and prison incarceration. T...
متن کاملUnusual presentation of an abdominal foreign body: A case report
Background: Insertion of rectal foreign bodies intentionally or unintentionally is not unusual. Case presentation: A 19-years-old unmarried male was admitted to our hospital due to a lump of left lower quadrant of abdomen. He denied sexual assault .The abdomen was soft on physical examination. Abdominal x-ray and CT scan showed a foreign body in lower abdomen and pelvis. The patient was oper...
متن کاملذخیره 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: College & Research Libraries
سال: 1988
ISSN: 2150-6701,0010-0870
DOI: 10.5860/crl_49_03_217