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Multiple linear regression in Python
...,1,2,5,6,7,8,9,7,8,7,8,7,7,7,7,7,7,6,6,4,4,4]
]
def reg_m(y, x):
ones = np.ones(len(x[0]))
X = sm.add_constant(np.column_stack((x[0], ones)))
for ele in x[1:]:
X = sm.add_constant(np.column_stack((ele, X)))
results = sm.OLS(y, X).fit()
return results
Result:
prin...
Can Flask have optional URL parameters?
...er way is to write
@user.route('/<user_id>', defaults={'username': None})
@user.route('/<user_id>/<username>')
def show(user_id, username):
pass
But I guess that you want to write a single route and mark username as optional? If that's the case, I don't think it's possible....
How to delete or add column in SQLITE?
...d or remove constraints from a table.
You can:
create new table as the one you are trying to change,
copy all data,
drop old table,
rename the new one.
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NPM modules won't install globally without sudo
...
One small detail to add is that you have to make the ~/npm directory yourself. Else, npm will exit with a ENOENT errors.
– Jason Farnsworth
Oct 3 '14 at 21:56
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Pass Variables by Reference in Javascript
...to, so I want to put them in a for loop and perform the operations to each one.
15 Answers
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Makefiles with source files in different directories
...
If you have code in one subdirectory dependent on code in another subdirectory, you are probably better off with a single makefile at top-level.
See Recursive Make Considered Harmful for the full rationale, but basically you want make to have t...
What is the difference between MacVim and regular Vim?
...seen many people recommend running MacVim over Vim in the terminal. Can anyone tell me what differences there are between MacVim and regular Vim?
...
Differences between Perl and PHP [closed]
...re operators, including matching (=~, !~), quote-like (qw, qx &c.), exponentiation (**), string repetition (x) and range (.. and ...). PHP has a few operators Perl doesn't, such as the error suppression operator (@), instanceof (though Perl does have the Universal::isa method) and clone.
In PHP...
How can I convert comma separated string into a List
...
Here is one way of doing it:
List<int> TagIds = tags.Split(',').Select(int.Parse).ToList();
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Remove Object from Array using JavaScript
...(someArray.slice(-x));
Reply to the comment of @chill182: you can remove one or more elements from an array using Array.filter, or Array.splice combined with Array.findIndex (see MDN), e.g.
// non destructive filter > noJohn = John removed, but someArray will not change
let someArray = ge...