How to force y Axis to use floating point precision?

[parrotcar00]

I used this code from kandy examples:

val years = listOf(1, 2, 3, 4, 5)
val cost = listOf(62.7, 39.3, 72.1, 73.7, 68.5)

plot {
    line {
        x(years)
        y(cost)
        type = LineType.SOLID
    }
}

And when you hover over the resultant plot values, we see y axis labels that correctly show values with decimal point like 62.7, 72.1 etc.

But if I use this dataset instead:

val years2 = listOf(1, 2, 3, 4, 5)
val cost2 = listOf(95.0, 2.2, 3.3, 4.4, 5.5)

plot {
    line {
        x(years2)
        y(cost2)
        type = LineType.SOLID
    }
}

I get a plot where all y values are rounded off to the nearest integer. I don't understand what is causing this and how to force y axis to be of Double type.

How do I force y axis to use decimal values?

[AndreiKingsley]

Hi! It's a Lets-Plot behaviour, tooltip values are automatically formatted based on the data range, which can sometimes result in rounding. However, you can manually adjust the format. We are still working on refining and stabilizing the API for customizing tooltips, but for now, you can solve this issue as follows:

val years2 = listOf(1, 2, 3, 4, 5)
val cost2 = listOf(95.0, 2.2, 3.3, 4.4, 5.5)

plot {
    line {
        x(years2)
        // add id for this data source
        y(cost2, "cost2")
        // manually add tooltips with `cost2` and adjust format
        tooltips("cost2", formats = mapOf("cost2" to ".2f"))
        type = LineType.SOLID
    }
}