#1

Hi, am beginner in R.Trying to solve this but ...
Error in as.data.frame.default(month_data) :
cannot coerce class ‘c("datatables", "htmlwidget")’ to a data.frame

#2

Hi @smriti_j, welcome to RStudio Community.

It's hard to offer you specific help by just looking at an error message. It would be ideal if you could provide a reproducible example (reprex). Please read this guide to see how to create one:

#3

You can Plot with data.table , the problem ist something else.

1 Like
#4

Thank you for this help.
Actually problem is facing when I tried to convert htmlwidget data table into data frame. But it's not working I tried many conversion method and all stuff. And that htmlwidget dataframe is an output of function.

#5

Thank you for reply me but it's not working in htmlwidget. Error is coherence class in r and I didn't understand why it's so...

#6

Sorry but those details don't really help us understand how to help you fix the problem. As Markus_Hauschel said, you can easily make ggplot2 visualizations with data.table objects, so you may not need to convert in the first place.

Is it possible for you to post a reprex of your issue?

1 Like
#7

I think the data tables being referred to are library(DT) data tables rather than data.table objects, but a reprex would still be required.

2 Likes
#8

yes, generally speaking this is not done.
The data.table widget you have access to , you presumably have access to because you provided an actual dataframe to a DT::renderDT, so the programmer would use that data rather than try to re-extract the data from the widget representation.

One must wonder does @smriti_j have a particularly bizarre context that means this is not the case...?

#9

But it's not plotted directly. Require data frame that's why I need to convert.

#10

good:

you make a frame.
you send this to a renderDT to see a table on screen
you send this to a renderPlot to visualise a chart on screen

bad:

you make a frame,
you send this to a renderDT to see a table on screen
you try to take a renderDT and make a plot from it.... bad idea.

why not use the frame you made ?

#11

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