Warning messages: 1: partial match of 'df' to 'df.residual'

[sorin-pascu]

Summary of models computed with fastLm() give the warning: Warning messages: 1: partial match of 'df' to 'df.residual' here the example from help:

?fastLm flmmod <- fastLm( log(Volume) ~ log(Girth), data=trees) summary(flmmod)

[eddelbuettel]

I do not see that under R 4.2.2:

> library(RcppEigen)
> flmmod <- fastLm( log(Volume) ~ log(Girth), data=trees)
> summary(flmmod)

Call:
fastLm.formula(formula = log(Volume) ~ log(Girth), data = trees)

Residuals:
    Min.  1st Qu.   Median  3rd Qu.     Max. 
-0.20600 -0.06870  0.00101  0.07260  0.24800 

            Estimate Std. Error t value Pr(>|t|)    
(Intercept) -2.35332    0.23066  -10.20 4.18e-11 ***
log(Girth)   2.19997    0.08983   24.49  < 2e-16 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.115 on 29 degrees of freedom
Multiple R-squared: 0.954,      Adjusted R-squared: 0.952
> 

[sorin-pascu]

I just upgraded – the error is there:

R version 4.2.2 (2022-10-31) -- "Innocent and Trusting"

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library(RcppEigen)

flmmod <- fastLm( log(Volume) ~ log(Girth), data=trees)

summary(flmmod)

Call:

fastLm.formula(formula = log(Volume) ~ log(Girth), data = trees)

Residuals:

     Min.   1st Qu.    Median   3rd Qu.      Max.

-0.206000 -0.068700  0.001011  0.072580  0.248000

             Estimate Std. Error t value  Pr(>|t|)   

(Intercept) -2.353325   0.230663 -10.202  4.18e-11 ***

log(Girth)   2.199970   0.089835  24.489 < 2.2e-16 ***

---

Signif. codes:  0 ‘’ 0.001 ‘’ 0.01 ‘’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.115 on 29 degrees of freedom

Multiple R-squared: 0.9539,        Adjusted R-squared: 0.9523

Warning messages:

1: In object$df : partial match of 'df' to 'df.residual'

2: In object$df : partial match of 'df' to 'df.residual'

3: In x$df : partial match of 'df' to 'df.residual'

Kind regards,

Sorin

Sorin Pascu

M: +49 151 412 408 58

Pflichtangaben nach § 37a HGB befinden sich unter folgendem Link:

https://www.appstam.com/impressum

From: Dirk Eddelbuettel @.> Reply to: RcppCore/RcppEigen @.> Date: Friday, 4. November 2022 at 16:12 To: RcppCore/RcppEigen @.> Cc: Appstam Eigene @.>, Author @.***> Subject: Re: [RcppCore/RcppEigen] Warning messages: 1: partial match of 'df' to 'df.residual' (Issue #115)

I do not see that under R 4.2.2:

library(RcppEigen)

flmmod <- fastLm( log(Volume) ~ log(Girth), data=trees)

summary(flmmod)

Call:

fastLm.formula(formula = log(Volume) ~ log(Girth), data = trees)

Residuals:

    Min.  1st Qu.   Median  3rd Qu.     Max.

-0.20600 -0.06870  0.00101  0.07260  0.24800

            Estimate Std. Error t value Pr(>|t|)   

(Intercept) -2.35332    0.23066  -10.20 4.18e-11 ***

log(Girth)   2.19997    0.08983   24.49  < 2e-16 ***

---

Signif. codes:  0 ‘’ 0.001 ‘’ 0.01 ‘’ 0.05 ‘.’ 0.1 ‘ ’ 1

Residual standard error: 0.115 on 29 degrees of freedom

Multiple R-squared: 0.954,      Adjusted R-squared: 0.952

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[eddelbuettel]

You must have something enabled in your R profile that I, or CRAN, do not have. Try R --vanilla or alike.

For reference the package is fine at CRAN (ignore the warning about init.c, I have been fixing this in a few other packages too).

[eddelbuettel]

(That said, we do return df.residual in the C++ code and do access df so I see where this is coming from (and should be able to fix this). But you also seem to have an extra strong warning on that is not the default.)

[eddelbuettel]

It is options(warnPartialMatchDollar). It is not TRUE by default so that seems to be your local issue. I'll take a look at fixing this though now that I know it is there.

[eddelbuettel]

This is now on CRAN as a fixed version 0.3.3.9.3.