New Scale Transformations: `log2` and `symlog`¶

In [1]:

%useLatestDescriptors
%use lets-plot

In [2]:

LetsPlot.getInfo()

Out[2]:

Lets-Plot Kotlin API v.4.9.0. Frontend: Notebook with dynamically loaded JS. Lets-Plot JS v.4.5.1.

In [3]:

fun getData(n: Int): Map<String, List<Double>> {
    val x = (-n..n).map(Int::toDouble)
    val y = x.map {
        when {
            it == 0.0 -> it
            it > 0 -> exp(it)
            else -> -exp(-it)
        }
    }
    return mapOf("x" to x, "y" to y)
}

In [4]:

val data = getData(10)

In [5]:

val p = letsPlot(data) { x = "x"; y = "y" } + geomPoint()

gggrid(
    listOf(
        p + ggtitle("Default"),
        p + scaleYContinuous(trans="symlog") + ggtitle("trans='symlog'"),
        p + scaleYContinuous(trans="log10") + ggtitle("trans='log10'"),
        p + scaleYContinuous(trans="log2") + ggtitle("trans='log2'"),
    ), 
    ncol=2
)

Out[5]:

New Scale Transformations: log2 and symlog¶

New Scale Transformations: `log2` and `symlog`¶