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Prevent from converting string to int in xaxis in plot by groups


Prevent from converting string to int in xaxis in plot by groups

By : Gustavo Contreras
Date : November 22 2020, 09:00 AM
To fix this issue It is nor really clear what you want to do. You have to give plt some information about where to put the points, i.e. x-values. Strings do not fulfil this requirement. Can there be multiple entries per day? If not you could do something like this:
code :
dates = sorted(list(set(day_date)))
# Plot 
fig, ax = plt.subplots()
for name, group in df_tmp.groupby('country_code'):
    xvals = [dates.index(d) for d in group.day_date]
    ax.plot(xvals, group.val, label=name)

plt.xticks(range(len(dates)),dates,rotation = 45)


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change xaxis range in plot

change xaxis range in plot


By : Ali Demirtas
Date : March 29 2020, 07:55 AM
wish help you to fix your issue I think you are normalizing the variables the wrong way. The current normalization of x-axis values using cellfun(@(x)linspace(0,1,length(x)),Depth,'un',0); degenerates the relationship among the elements of each depth vector. I think, the correct method will be,
code :
 newDepth = cellfun(@(x)(((x)-(min(x)))'./((max(x))-(min(x)))'),Depth,'un',0);
Perl converting a string into groups of 8 hex digits

Perl converting a string into groups of 8 hex digits


By : Govind K
Date : March 29 2020, 07:55 AM
it fixes the issue You can do the hex conversion and splitting in one step with unpack "(H8)*":
code :
print "0x$_\n" for unpack "(H8)*", scalar reverse "asdkljasdkjlaksjdla";
xAxis values groups as slices + labels in Highcharts

xAxis values groups as slices + labels in Highcharts


By : Hatem Abou Hassan
Date : March 29 2020, 07:55 AM
Hope this helps Firstly, this is not something that comes off-the-shelf with Highcharts. The example you provided appears to involve creating some of their own custom visuals. It all takes place in the following file:
http://data.worldjusticeproject.org/scripts/0d579abd.main.js
code :
function() {
        "use strict";
        Roli.Labels = ["1.1", "1.2", "1.3", "1.4", "1.5", "1.6", "2.1", "2.2", "2.3", "2.4", "3.1", "3.2", "3.3", "3.4", "4.1", "4.2", "4.3", "4.4", "4.5", "4.6", "4.7", "4.8", "5.1", "5.2", "5.3", "6.1", "6.2", "6.3", "6.4", "6.5", "7.1", "7.2", "7.3", "7.4", "7.5", "7.6", "7.7", "8.1", "8.2", "8.3", "8.4", "8.5", "8.6", "8.7"], Roli.Descriptions = {
            "1.0": "Constraints on Government Powers",
            1.1: "Limits by legislature",
            1.2: "Limits by judiciary",
            1.3: "Independent auditing",
            1.4: "Sanctions for official misconduct",
            1.5: "Non-governmental checks",
            1.6: "Lawful transition of power",
            "2.0": "Absence of Corruption",
    ...
    ...
}
Adjusting xaxis in plot.xts

Adjusting xaxis in plot.xts


By : Chris Ervin
Date : March 29 2020, 07:55 AM
I wish this helpful for you I want to zoom into the chart. The chart from the code below use data from 2007 to 2019. I will like to look at the chart only from 2012 to 2015. Does anyone know how to do this? , You have just to subset your xts-object to zoom it:
code :
xts_data <- AAPL[ , 6]
xts_zoom <- xts_data['2012/2015']
plot.xts(xts_zoom)
   if (cs$Env$observation.based) {
        cs$Env$xycoords <- xy.coords(1:NROW(cs$Env$xdata[subset]))
        cs$set_xlim(c(1, NROW(cs$Env$xdata[subset])))
        cs$Env$xstep <- 1
    }
    else {
        xycoords <- xy.coords(.index(cs$Env$xdata[cs$Env$xsubset]), 
        cs$Env$xdata[cs$Env$xsubset][, 1])
        cs$Env$xycoords <- xycoords
        cs$Env$xlim <- range(xycoords$x, na.rm = TRUE)
        ...
    }
chartSeries(xts_data)
zoomChart('2012/2015')
How to enable Scroll in a bar chart and align xAxis labels with the bar groups?

How to enable Scroll in a bar chart and align xAxis labels with the bar groups?


By : tygart
Date : March 29 2020, 07:55 AM
Hope this helps Problem: 1. The x-axis values are not mapped with the group of the bars why? , This worked like charm, few tweakings:
code :
private fun populateCharts(chartData: List<ResponseGetPenetrationGrowth>){
        try {

            val prev_year = ArrayList<BarEntry>()
            val current_year = ArrayList<BarEntry>()
            val xAxis_label = ArrayList<String>()
            var i = 0f
            val currentYear = Calendar.getInstance().get(Calendar.YEAR)

            xAxis_label.add("")
            for (item in chartData!!) {
                xAxis_label.add(item.brand)
                prev_year.add(BarEntry(i,item.prevYear.toFloat()))
                current_year.add(BarEntry(i,item.currentYear.toFloat()))
                i++
            }
            xAxis_label.add("")

            val prevDataSet = BarDataSet(prev_year,(currentYear-1).toString())
            prevDataSet.setColors(ContextCompat.getColor(penetration_chart.context, R.color.prev_year_bar))
            prevDataSet.valueTextSize = 8f
            val currentDataSet = BarDataSet(current_year, currentYear.toString())
            currentDataSet.valueTextSize = 8f
            currentDataSet.setColors(ContextCompat.getColor(penetration_chart.context, R.color.current_year_bar))

            val barData = BarData(prevDataSet, currentDataSet)
            penetration_chart.data = barData
            barData.setBarWidth(0.3f)
            val xAxis = penetration_chart.getXAxis()

            xAxis.setPosition(XAxis.XAxisPosition.BOTTOM)
            xAxis.valueFormatter = IndexAxisValueFormatter(xAxis_label)
            xAxis.granularity= 1f
            xAxis.setCenterAxisLabels(true)


            val barSpace = 0.05f
            val groupSpace = 0.3f
            xAxis.axisMinimum = 1f
            xAxis.axisMaximum = xAxis_label.size - 1.1f


            penetration_chart.setDrawGridBackground(false)
            val description = Description()
            description.text = ""
            penetration_chart.description = description

            penetration_chart.groupBars(1f, groupSpace, barSpace)
            penetration_chart.getAxisRight().setDrawGridLines(false);
            penetration_chart.getAxisLeft().setDrawGridLines(false);
            penetration_chart.getXAxis().setDrawGridLines(false);

            val legend = penetration_chart.legend
            legend.position = Legend.LegendPosition.BELOW_CHART_CENTER
            penetration_chart.extraBottomOffset = 20f
            penetration_chart.setVisibleXRangeMaximum(5f)
            penetration_chart.invalidate()

        }catch (e: Exception){
            e.printStackTrace()
        }
    }
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