Error: Don't know how to add e2 to a plot

Error: Don't know how to add e2 to a plot

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Error: Don't know how to add e2 to a plot
Tag : r , By : Chris Tattum
Date : November 28 2020, 04:01 AM

I wish did fix the issue. Using your melt command does not work for me, so I'm using gather instead.
All you need to do is add geom_line and specify the data and mapping:
mdf <- tidyr::gather(raw_data, variable, value, -week, -v1)

ggplot(mdf, aes(week, value)) + 
  geom_area(aes(fill = variable), position = 'stack', color = 'black') + 
  geom_line(aes(y = v1), raw_data, lty = 2)

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R.java error. dont know where is came from. dont know how to fix it

Tag : android , By : Kuer
Date : March 29 2020, 07:55 AM
I think the issue was by ths following , You have an id somewhere defined as @+id/1. 1 does not make for a valid Java identifier, hence the error. For that same reason, one cannot create ids or resources which name starts with a number, or contains spaces, or matches a reserved keyword.

TChart - Dont plot values that are less than 0?

Tag : delphi , By : user185949
Date : March 29 2020, 07:55 AM
help you fix your problem You have the possibility when adding values to a series to add them as null.
This will prevent them from showing.
Series1.IgnoreNulls := False;
if (y < 0) then
  Series1.AddNullXY(x, y, '')
  Series1.AddXY(x, y, '');

Laravel:Dont show error if relation dont exist

Tag : laravel , By : Yolanda N. Ceron
Date : March 29 2020, 07:55 AM
around this issue I have controller and i am getting data like this , You can do in your view
   <div class="whatever">$event['teacher']->name</div>
   <div class="whatever">Teacher not found.</div>

class ProcessEventsViewData {

    private $events;

    public function __construct($events) 

    public function processData($data) 
        foreach($data as $event)

    public function processEvent($event) 
        $this->events[$event->id]['name'] = $event->name ?: 'Event name not found';
        $this->events[$event->id]['teacher'] = $event->teacher ? $event->teacher->toArray() : array('name', 'Teacher not found');

    public function getData() 
        return $this->events;


class MyController extends Controller {

    $events = Eventm::with('teacher')->get();

    $eventData = new ProcessEventsViewData($events);

    return View::make('event')->with('events', $eventData->getData());
@foreach($events as $id => $event)
   Event ID: {{$id}};
   Event Name: {{$event['name']}};
   Teacher: {{$event['teacher']['name']}};

Plot multiple barplots on one plot, but bars dont overlap R

Tag : r , By : Ohad Barzilay
Date : March 29 2020, 07:55 AM
this one helps. If you're doing something like this, I'd recommend using ggplot2, as it's much easier.
Here's some sample code:
facet_grid('cut~.',scale='free')+labs("Graph Title")

How to plot multiple SpatialLines on the same plot: Error in plot.new() : figure margins too large

Tag : r , By : TomL
Date : March 29 2020, 07:55 AM
Hope that helps I sometimes get this error as well and I maximize my X11 plotting window and it goes away (I don't use RStudio often though). The code you provided works fine for me even in the default size viewer. This code produces 3 plots though. You could make them on the same plot by using the parameter new in par
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