angleDist | R Documentation |
Computes the distance and the angle for a (mean, median) x/y marker
point. The distance and the angle is computed from x = 0, y = 0 to the
x/y - values given. Therefore, to get correct values for distance and angle
use the function centerCond
before, to set the x/y-start
values for each condition to x = 0, y = 0.
angleDist(data, colNames, colNameSubj, rndDig = 2, verbose = FALSE)
data |
Data frame containig the data for a subset, defined in colNames, for which the angle and the distance should be computed for. |
colNames |
Character vector naming the two columns with the x/y-Values for which the angle and the distance should be computed. |
colNameSubj |
Character vector with a single value containig the name of the subject column of the data data-frame. |
rndDig |
Number of round digits. Default is 2. |
verbose |
If TRUE, the function prints verbose output. Otherwise not. Default is FALSE. |
Numeric matrix with median distance and angle.
Axel Zinkernagel zinkernagel@uni-wuppertal.de
colNames <- c("A7_x", "A7_y", "A8_x", "A8_y",
"BL2_x", "BL2_y", "BL4_x", "BL4_y",
"BL5_x", "BL5_y", "BL7_x", "BL7_y",
"BR2_x", "BR2_y", "BR4_x", "BR4_y",
"BR5_x", "BR5_y", "BR7_x", "BR7_y",
"CL4_x", "CL4_y", "CL7_x", "CL7_y",
"CR4_x", "CR4_y", "CR7_x", "CR7_y",
"DL2_x", "DL2_y", "DR2_x", "DR2_y")
# Data preparation
data_Subj_happy <- subset(dataSmm, subset = dataSmm["Stimulustype"] == "posed_happy",
select = c("subject",colNames))
angleDist(data_Subj_happy, colNames = c("CL7_x", "CL7_y"),
colNameSubj = "subject", rndDig = 3)
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