Re: [R] Confusion Table
Ah yes - thank you
-Original Message-
From: Jeff Newmiller
Sent: Wednesday, January 16, 2019 6:49 PM
To: r-help@r-project.org; reichm...@sbcglobal.net
Subject: Re: [R] Confusion Table
If you turn your character variable into a factor and specify the levels
argument, you can control the sequence in which any discrete values are
presented.
tst_pred <- factor( tst_pred, levels=c("No","Yes") )
On January 16, 2019 4:31:15 PM PST, reichm...@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$default)
>
>tst_tab
>
>
>
>##actual
>
>## predicted No Yes
>
>## No 4817 113
>
>## Yes 1852
>
>
>
>Jeff
>
>
> [[alternative HTML version deleted]]
>
>__
>R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
>https://stat.ethz.ch/mailman/listinfo/r-help
>PLEASE do read the posting guide
>http://www.R-project.org/posting-guide.html
>and provide commented, minimal, self-contained, reproducible code.
--
Sent from my phone. Please excuse my brevity.
__
R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
Re: [R] Confusion Table
That's easy enough
Thanks
-Original Message-
From: Peter Langfelder
Sent: Wednesday, January 16, 2019 6:48 PM
To: reichm...@sbcglobal.net
Cc: r-help
Subject: Re: [R] Confusion Table
The lazy way is to do
tst_tab = tst_tab[c(2,1), c(2,1)]
The less lazy way is something like
tst_tab <- table(predicted = factor(tst_pred, levels = c("Yes", "No")), actual
= factor(default_tst$default, levels = c("Yes",
"No")))
Peter
On Wed, Jan 16, 2019 at 4:39 PM 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$default)
>
> tst_tab
>
>
>
> ##actual
>
> ## predicted No Yes
>
> ## No 4817 113
>
> ## Yes 1852
>
>
>
> Jeff
>
>
> [[alternative HTML version deleted]]
>
> __
> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
__
R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
Re: [R] Confusion Table
If you turn your character variable into a factor and specify the levels
argument, you can control the sequence in which any discrete values are
presented.
tst_pred <- factor( tst_pred, levels=c("No","Yes") )
On January 16, 2019 4:31:15 PM PST, reichm...@sbcglobal.net wrote:
>R-Help
>
>
>
>R-Help community is there an simple straight forward way of changing
>my
>confusion table output to list "Yes" before "No" rather than "No"
>before
>"Yes" - R default.
>
>
>
># Making predictions on the test set.
>
>tst_pred <- ifelse(predict(model_glm, newdata = default_tst, type =
>"response") > 0.5, "Yes", "No")
>
>tst_tab <- table(predicted = tst_pred, actual = default_tst$default)
>
>tst_tab
>
>
>
>##actual
>
>## predicted No Yes
>
>## No 4817 113
>
>## Yes 1852
>
>
>
>Jeff
>
>
> [[alternative HTML version deleted]]
>
>__
>R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
>https://stat.ethz.ch/mailman/listinfo/r-help
>PLEASE do read the posting guide
>http://www.R-project.org/posting-guide.html
>and provide commented, minimal, self-contained, reproducible code.
--
Sent from my phone. Please excuse my brevity.
__
R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
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$default, levels = c("Yes",
"No")))
Peter
On Wed, Jan 16, 2019 at 4:39 PM wrote:
>
> R-Help
>
>
>
> R-Help community is there an simple straight forward way of changing my
> confusion table output to list "Yes" before "No" rather than "No" before
> "Yes" - R default.
>
>
>
> # Making predictions on the test set.
>
> tst_pred <- ifelse(predict(model_glm, newdata = default_tst, type =
> "response") > 0.5, "Yes", "No")
>
> tst_tab <- table(predicted = tst_pred, actual = default_tst$default)
>
> tst_tab
>
>
>
> ##actual
>
> ## predicted No Yes
>
> ## No 4817 113
>
> ## Yes 1852
>
>
>
> Jeff
>
>
> [[alternative HTML version deleted]]
>
> __
> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
__
R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
[R] Confusion Table
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 1852 Jeff [[alternative HTML version deleted]] __ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
