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You can use the tilde operator (~) in R to separate the left hand side of an equation from the right hand side. This operator is most commonly used with the lm() function in R, which is used to fit linear regression models. The variable name on the left side of the tilde operator (y) represents the response variable.

"H.H." refers to the header height of the window, the height of the top of the window. If 8'8" H.H. is noted, the top of the window is measured at 8'8". SH or DH means single- or double-hung window, operable by either the bottom panel or both the top and bottom for a double-hung window.

The R symbol indicates that this word, phrase, or logo is a registered trademark for the product or service. It must only be used in the case of registered trademarks and by the owner or licensee. It also must only be used in the regions in which you possess a valid trademark registration.

Operators * And %*% In R. The * operator is a simple arithmetic operator. It is called the multiplication operator. The %*% operator is a special kind of multiplication operator. It is used in the multiplication of matrices in R.

OR Operator ?|? The OR operator | works similarly to the AND operator & , but the difference is that only one of the logical values needs to be equal to TRUE for the entire OR operation to evaluate to TRUE . This means that TRUE | TRUE equals TRUE , but also, TRUE | FALSE and FALSE | TRUE evaluates to TRUE .

Architects commonly abbreviate measurements, such as edge distance (ED), far side (FS), and inner diameter (ID). Materials are also often abbreviated such as gypsum (Gyp.), laminated veneer lumber (L.V.L.), and masonry (Mas.). Items to consider when you read a floor plan are abbreviated, such as not to scale (N.T.S.).

Your floor plans will measure items in both millimetres and brick courses (this gets abbreviated to ?c?). One brick course is 86mm as it includes both a standard 76mm brick and 10mm of mortar.

R&S: Rod and Shelf.

PC - Pull Chain. PC - Practical Completion. PC - Precast Concrete. PC - Prime Cost. PC - Principal Contractor.

Here are the six most common types of symbols you will find on floor plans (versus other types of plans).Compass. The north arrow tells you about the orientation of the property.Stairs. Stairs are customarily indicated by parallel lines with their measurements.Doors.Windows.Walls.Appliances.Jul 3, 2020