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Asterisk in ggplot's annotate()


Asterisk in ggplot's annotate()

By : Dev Saini
Date : November 21 2020, 11:01 PM
To fix this issue Text can be added to a ggplot object using annotate(). However, I can't figure out how to print an asterisk, since, so far as I understand, the asterisk is used in parsing. , Using a combination of double and single quotes does the trick:
code :
library(ggplot2)
ggplot(iris, aes(Sepal.Length, Sepal.Width, color=Species)) + 
  geom_point() + 
  annotate('text', x = 7, y = 4, label='chi^2 == "2.50***"', parse=TRUE)


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asterisk : Unable to connect to remote asterisk (does /var/run/asterisk.ctl exist?)

asterisk : Unable to connect to remote asterisk (does /var/run/asterisk.ctl exist?)


By : Fazle Rokib
Date : March 29 2020, 07:55 AM
hop of those help? It's probably because asterisk is not running on your server.
Try to run it with this command :
code :
asterisk -vvvvvvc
How to annotate enum using jaxb2-basics-annotate?

How to annotate enum using jaxb2-basics-annotate?


By : Redhoodie
Date : March 29 2020, 07:55 AM
Hope this helps Disclaimer: I'm the author of the jaxb2-annotate-plugin.
Yes, there is an annotateEnum customization element (see the docs). But it only applies the annotation to the enum class itself, i.e. to public enum DeliveryStatus {...}. So this does not solve your problem with value(), this can't be annotated at the moment.
gem annotate, error:Unable to annotate app/models/blog_post.rb: undefined method `supports_foreign_keys?'

gem annotate, error:Unable to annotate app/models/blog_post.rb: undefined method `supports_foreign_keys?'


By : SRIDHAR
Date : March 29 2020, 07:55 AM
it fixes the issue Probably the versions of your annotate-gem and your mysql2-gem are not compatible. You are still using Rails 3.2. Maybe it is because your mysql2-gem is quite old. When looking at the release notes of the annotate-gem, you can see that it had added foreign_key support in 2.6.9. So it can help to downgrade it to 2.6.8
Django Annotate- Grouping along multiple .annotate() functions

Django Annotate- Grouping along multiple .annotate() functions


By : lazydeveloper
Date : March 29 2020, 07:55 AM
I wish this help you I've determined that the second annotate() must be placed at the very end of the expression. The proper order of these in my example should be as follows:
self.model.objects.filter().values().annotate().order_by().annotate()
code :
def by_customer_and_date(self, start_date, end_date):

    qs = self.model.objects.filter(
        date__range=(start_date, end_date)
    ).values(
        "customer__name"
    ).annotate(
        grand_total_cogs=Sum('total_cogs'),
        total_sales=Sum('value'),
        total_profit=Sum('profit'),
        total_kgs=Sum('qty_applied'),
        current_balance=Sum('sale__receiptallocation__qty_applied'),
    ).order_by(
        '-total_kgs'
    ).annotate(
        final_margin=Case(
            When(total_sales=0, then=0),
            default=(Sum(F('profit')) / Sum(F('value')))*100
        )
    )

    return qs
Matplotlib Auto Annotate max doesn't annotate and pushes chart off page

Matplotlib Auto Annotate max doesn't annotate and pushes chart off page


By : user3211523
Date : March 29 2020, 07:55 AM
This might help you to ImportanceOfBeingErnest who commented with the answer.
Using idxmax() will quickly find the index of the max value.
code :
x = ppc_rolling_7d.idxmax(); y = ppc_rolling_7d.max() 
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