slope control
111Dummy variable (statistics) — In statistics and econometrics, particularly in regression analysis, a dummy variable (also known as an indicator variable) is one that takes the values 0 or 1 to indicate the absence or presence of some categorical effect that may be expected to …
112water supplies — In the Stone Age, when people first began settling on the alluvial plains of Mesopotamia, perhaps their single most immediate concern was finding reliable sources of freshwater for drinking and watering their crops and animals. At first, the… …
113Algebraic geometry — This Togliatti surface is an algebraic surface of degree five. Algebraic geometry is a branch of mathematics which combines techniques of abstract algebra, especially commutative algebra, with the language and the problems of geometry. It… …
114Geographic information system — GIS redirects here. For other uses, see GIS (disambiguation). A geographic information system, geographical information science, or geospatial information studies is a system designed to capture, store, manipulate, analyze, manage, and present… …
115Lock (water transport) — Canal lock and lock keeper s cottage on the Aylesbury Arm of the Grand Union Canal at Marsworth in Hertfordshire, England …
116Student's t-test — A t test is any statistical hypothesis test in which the test statistic follows a Student s t distribution if the null hypothesis is supported. It is most commonly applied when the test statistic would follow a normal distribution if the value of …
117Inner German border — Innerdeutsche Grenze North and central Germany …
118KREX-TV — Infobox Broadcast call letters = KREX TV city = station station slogan = Coverage You Can Count On station branding = NewsChannel 5 analog = 5 (VHF) digital = 2 (VHF) other chs = see article affiliations = CBS MyNetworkTV (DT2, via KGJT LP)… …
119Off-roading — A Land Rover Defender 90 off roading Off roading is a term for driving a vehicle on unsurfaced roads or tracks, made of materials such as sand, gravel, riverbeds, mud, snow, rocks, and other natural terrain. Contents 1 …
120Earthquake engineering — is the study of the behavior of buildings and structures subject to seismic loading. It is a subset of both structural and civil engineering.The main objectives of earthquake engineering are: * Understand the interaction between buildings or… …
