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How do you do natural logs (e.g. “ln()”) with numpy in Python?
... and log-k is the log in base k, e.g.
here k = e
l = np.log(x) / np.log(100)
and l is the log-base-100 of x
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pull out p-values and r-squared from a linear regression
... solution utilising the broom package.
Sample code
x = cumsum(c(0, runif(100, -1, +1)))
y = cumsum(c(0, runif(100, -1, +1)))
fit = lm(y ~ x)
require(broom)
glance(fit)
Results
>> glance(fit)
r.squared adj.r.squared sigma statistic p.value df logLik AIC BIC deviance df...
What is Node.js? [closed]
...e with locking.
Con: If a compute-intensive request runs for, for example, 100 ms, it will stall processing of other requests that are being handled in the same Node.js process ... AKA, cooperative-multitasking. This can be mitigated with the Web Workers pattern (spinning off a subprocess to deal w...
changing source on html5 video tag
...').innerHTML = '<video autoplay controls id="video_ctrl" style="height: 100px; width: 100px;"><source src="'+src+'" type="video/mp4"></video>';
document.getElementById('video_ctrl').play();
}
</script>
<button onClick="setvideo('video1.mp4');">Video1</button>
...
Sql Server string to date conversion
...etime
select @d = getdate()
select @d as OriginalDate,
convert(varchar,@d,100) as ConvertedDate,
100 as FormatValue,
'mon dd yyyy hh:miAM (or PM)' as OutputFormat
union all
select @d,convert(varchar,@d,101),101,'mm/dd/yy'
union all
select @d,convert(varchar,@d,102),102,'yy.mm.dd'
union all
select @...
Where can I locate themes for VS2012
...pecifically for 2012:
http://visualstudiogallery.msdn.microsoft.com/366ad100-0003-4c9a-81a8-337d4e7ace05
Comes w/ VS 2010 style blue and a few others...
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Limit Decimal Places in Android EditText
...ttern mPattern;
private static final int DIGITS_BEFORE_ZERO_DEFAULT = 100;
private static final int DIGITS_AFTER_ZERO_DEFAULT = 100;
public DecimalDigitsInputFilter(Integer digitsBeforeZero, Integer digitsAfterZero) {
this.mDigitsBeforeZero = (digitsBeforeZero != null ? digitsBefor...
How do I catch a PHP fatal (`E_ERROR`) error?
...
Note: this is not a 100% correct answer. Any place that uses an @ symbol to ignore errors will still SET the last error (so you can handle errors). So your script finishes without a problem but the register_shutdown_function still thinks an er...
Accessing members of items in a JSONArray with Java
...ect(
new HashMap() {{
put("a", 100);
put("b", 200);
}}
),
new JSONObject(
new HashMap() {{
put("a", 300);
put("b", 400);...
What does “Memory allocated at compile time” really mean?
...the process memory map.
For example, consider a global array:
int array[100];
The compiler knows at compile-time the size of the array and the size of an int, so it knows the entire size of the array at compile-time. Also a global variable has static storage duration by default: it is allocated...