Description Usage Arguments Value Examples
A regression function created to allow for easy regression related functional performance
1 2 3 4 5 6 7 8 9 | multreg.plot(data, yvar = "MBISQ", xvar, j = j, xvar2 = NULL,
jneg = TRUE, xlim = NULL, x2lim = NULL, binom = TRUE, addcor = F,
addpred = F, addref = TRUE, ylim = NULL, xlab = names(data[xvar]),
x2lab = names(data[xvar2]), ln.col = "red",
ylab = "Probability of Meeting Biological Criterion", cex.lab = 1,
cex = 1, cex.axis = 1, las = 1, pch = 21, col = 1, bg = 8,
main = "", type = "p", cex.main = 1, varlist = NULL, varpred,
cont = TRUE, cont2 = FALSE, xlog = TRUE, x2log = TRUE, add = F,
rounder = 2, nbin = 41, LC50.plot = FALSE, model.sel = NULL, ...)
|
data |
A input data frame, default to be NULL, |
yvar |
for column index of x, y values in data data frame, or column names; y could be binary |
xvar |
x variable, either column name or index value |
j |
threshold for logistic regression |
binom |
if binomial function will be used |
xlog |
if xvar should be log transformed |
rounder |
if x should be round to a value |
model.sel |
= 0 (single var) 1 (2 var), 2 (2 var interaction),3(quadratic) |
x.add |
1 to convert percent x value = 0 to 1+ x value , or 100, then *100+1, |
x2var |
x variable, either column name or index value |
xlog2 |
if xvar2 should be log transformed |
add: |
add multiple regression lines in single graphs espeically for logistic, regression single x variable |
addcor: |
add principal component line between two explanatory variables and the predicted line for xvar |
addref: |
add reference value for one variable to predict the other, e.g, add reference value for habitat(160) to predict cond |
nbin: |
logistic regression number of bins. |
LC50.plot: |
to add the biological response variable plot |
varlist: |
additional variables to include in the multiple regression plot, all these variables should be normal distributed |
varpred: |
additional variable values for making predictions |
jneg: |
xvar and yvar are negatively correlated, default is true |
cont: |
if true plot contour, if not plot scatterplot |
cont2: |
if true plot contour, if not plot scatterplot |
Returns
1 2 3 4 5 6 7 8 |
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