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Evaluating by two lines instead of one line code?

Zhenyu Zeng
Posted 2 years ago

Hello, I calculated together as 

StringReplace[ToString[h["ANOVATablePValues"], TraditionalForm], 
 "{" ~~ x___ ~~ "}" -> x]

It showed the error as: enter image description here When I calculated separately, it was correct as:

ToString[h["ANOVATablePValues"], TraditionalForm]
StringReplace["\!\(\*FormBox[\({1.2943642097764646`*^-9}\),
TraditionalForm]\)", "{" ~~ x___ ~~ "}" -> x]

The results were:

{1.29436*10^-9}

and

1.29436*10^-9

enter image description here
POSTED BY: Zhenyu Zeng
4 Replies
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Rohit Namjoshi
Rohit Namjoshi
Posted 2 years ago

Why convert to a string to remove the {}? Why not

h["ANOVATablePValues"] // First
POSTED BY: Rohit Namjoshi
Zhenyu Zeng
Zhenyu Zeng
Posted 2 years ago

But why was the previous one wrong?
POSTED BY: Zhenyu Zeng
Rohit Namjoshi
Rohit Namjoshi
Posted 2 years ago

Because they are not the same. Compare

ToString[h["ANOVATablePValues"], TraditionalForm] // FullForm

with what you used with StringReplace where it "worked".
POSTED BY: Rohit Namjoshi
Zhenyu Zeng
Zhenyu Zeng
Posted 2 years ago

But when I copied the result of ToString[h["ANOVATablePValues"], TraditionalForm], it is "\!\(\*FormBox[\({1.0440125915074059*^-41}), TraditionalForm])"` that can be evaluated by StringReplace function correctly.
POSTED BY: Zhenyu Zeng
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