Re: [R] Print hypothesis warning- Car package

2023-09-18 Thread John Fox
Hi Peter, On 2023-09-18 10:08 a.m., peter dalgaard wrote: Caution: External email. Also, I would guess that the code precedes the use of backticks in non-syntactic names. Indeed, by more than a decade (though modified in the interim). Could they be deployed here? I don't think so, at

Re: [R] Print hypothesis warning- Car package

2023-09-18 Thread peter dalgaard
Also, I would guess that the code precedes the use of backticks in non-syntactic names. Could they be deployed here? - Peter > On 17 Sep 2023, at 16:43 , John Fox wrote: > > Dear Robert, > > Anova() calls linearHypothesis(), also in the car package, to compute sums of > squares and df,

Re: [R] Print hypothesis warning- Car package

2023-09-17 Thread Robert Baer
Thanks John. Appreciate the insights. On 9/17/2023 9:43 AM, John Fox wrote: Dear Robert, Anova() calls linearHypothesis(), also in the car package, to compute sums of squares and df, supplying appropriate hypothesis matrices. linearHypothesis() usually tries to express the hypothesis matrix

Re: [R] Print hypothesis warning- Car package

2023-09-17 Thread John Fox
Dear Robert, Anova() calls linearHypothesis(), also in the car package, to compute sums of squares and df, supplying appropriate hypothesis matrices. linearHypothesis() usually tries to express the hypothesis matrix in symbolic equation form for printing, but won't do this if coefficient

Re: [R] Print hypothesis warning- Car package

2023-09-16 Thread Rolf Turner
On Sat, 16 Sep 2023 15:39:49 -0500 Robert Baer wrote: > When doing Anova using the car package,  I get a print warning that > is unexpected.  It seemingly involves have my flow cytometry factor > levels named CD271+ and CD171-.  But I am not sure this warning > should be intended behavior. 

Re: [R] Print hypothesis warning- Car package

2023-09-16 Thread Bert Gunter
The factor names are legal but the Warnings tell you pretty clearly that Car doesn't like such things. So why don't you just use something else that is more conventional. -- Bert On Sat, Sep 16, 2023 at 1:40 PM Robert Baer wrote: > When doing Anova using the car package, I get a print warning

[R] Print hypothesis warning- Car package

2023-09-16 Thread Robert Baer
When doing Anova using the car package,  I get a print warning that is unexpected.  It seemingly involves have my flow cytometry factor levels named CD271+ and CD171-.  But I am not sure this warning should be intended behavior.  Any explanation about whether I'm doing something wrong? Why