[R] Confusion Table

reichm@@j m@iii@g oii sbcgiob@i@@et
Thu, 17 Jan 2019 01:49:45 -0000

That's easy enough

Thanks

-----Original Message-----
From: Peter Langfelder <peter.langfelder at gmail.com>
Sent: Wednesday, January 16, 2019 6:48 PM
To: reichmanj at sbcglobal.net
Cc: r-help <r-help at r-project.org>
Subject: Re: [R] Confusion Table

The lazy way is to do

tst_tab = tst_tab[c(2,1), c(2,1)]

The less lazy way is something like

tst_tab <- table(predicted = factor(tst_pred, levels = c("Yes",
"No")),  actual = factor(default_tst$default, levels =
c("Yes",
"No")))

Peter

On Wed, Jan 16, 2019 at 4:39 PM <reichmanj at sbcglobal.net>
wrote:
>
> R-Help
>
>
>
> R-Help community is there an simple straight forward way  of changing
> my confusion table output to list "Yes" before "No"
rather than "No"
> before "Yes" - R default.
>
>
>
> # Making predictions on the test set.
>
> tst_pred <- ifelse(predict(model_glm, newdata = default_tst, type >
"response") > 0.5, "Yes", "No")
>
> tst_tab <- table(predicted = tst_pred, actual = default_tst$default)
>
> tst_tab
>
>
>
> ##                    actual
>
> ## predicted   No  Yes
>
> ##          No  4817  113
>
> ##          Yes      18    52
>
>
>
> Jeff
>
>
>         [[alternative HTML version deleted]]
>
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