add_screen_diam: Calculates screen diameter for a model based on alpha and a...
In nicholascarey/attackR: Models an Attack by a Predator on a Prey
Description
Usage
Arguments
Value
Description
Calculates screen diameter for a model based on alpha and a
viewing distance
Usage
1
add_screen_diam(x, alpha = NULL, screen_distance)
Arguments
x
numeric. Output of attack_model or attack_model_whale function,
or other object containing alpha angles data.
screen_distance
numeric. distance from screen in same units as those
used in model
alpha_col
numeric. The column of alpha values. Automatically detected
in most models, but can be specified here.
Value
Original object or data frame with 'screen_diam' column added, in
same units as used in model and screen_distance. Rounded to 2 decimals
places. Because of values approaching infinty at very close distances, any
value over 1000 is replaced with 1000, so use appropriate units (cm is
best).
nicholascarey/attackR documentation built on July 22, 2020, 11:41 p.m.
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Description Usage Arguments Value
Description
Calculates screen diameter for a model based on alpha and a viewing distance
Usage
1 | add_screen_diam(x, alpha = NULL, screen_distance)
|
Arguments
x |
numeric. Output of |
screen_distance |
numeric. distance from screen in same units as those used in model |
alpha_col |
numeric. The column of alpha values. Automatically detected in most models, but can be specified here. |
Value
Original object or data frame with 'screen_diam' column added, in same units as used in model and screen_distance. Rounded to 2 decimals places. Because of values approaching infinty at very close distances, any value over 1000 is replaced with 1000, so use appropriate units (cm is best).
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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