inequality Questions
3
Solved
I'm trying to implement the following formula in Julia for calculating the Gini coefficient of a wage distribution:
where
Here's a simplified version of the code I'm using for this:
# Takes a...
Lemos asked 9/7, 2015 at 15:24
2
Solved
With = below, I could filter persons by age:
qs = Person.objects.filter(age = 20)
# ↑ Here
But with >, <, >= and <= below, I couldn't filter persons by age:
qs = Person.objects.filter...
Jaggers asked 6/4, 2012 at 6:49
5
Solved
I am trying to set members of an array that are below a threshold to nan. This is part of a QA/QC process and the incoming data may already have slots that are nan.
So as an example my threshold m...
Headward asked 17/8, 2014 at 2:35
4
Solved
I have a class where I want to override the __eq__ method. It seems to make sense that I should override the __ne__ method as well. Should I implement __ne__ as the negation of __eq__ as such or is...
Mariellamarielle asked 4/12, 2010 at 6:18
4
public static void main(String[] args) {
System.out.println((Integer.valueOf("5000") <= Integer.valueOf("5000")));
System.out.println((Integer.valueOf("5000") == Integer.valueOf("5000")));
}...
Manvell asked 8/5, 2018 at 3:4
3
Solved
The following checks if it begins with "End":
if [[ "$line" =~ ^End ]]
I am trying to find out how to match something that does not begin with "02/18/13". I have tried the following:
if [[ "$li...
Descendant asked 16/5, 2013 at 3:24
1
Problem: I am trying to solve an inequality to obtain a variable coeff_rw, which is the value of the symbol rw satisfying the inequality. This value should be in terms of other symbols (variables) ...
Mommy asked 11/10, 2016 at 15:30
2
Solved
I would like to plot a number of planes, each is an inequality. After I have plottet all the planes, I would like to have them combined, and color the area inside these lines. Image drawing a lot o...
Tranquillize asked 14/12, 2015 at 12:0
2
Solved
I would like to subset my data based on multiple inequality conditions using the data.table package. The examples in the data.table manual show how to do this with character variables, but not with...
Abele asked 27/9, 2013 at 14:23
4
Solved
The problem is that != does not work as a function in excel vba.
I want to be able to use
If strTest != "" Then instead of If strTest = "" Then
Is there another approach to do this besides !=?
...
Yesterday asked 21/7, 2012 at 20:53
1
Solved
According to the Python docs: "when defining __eq__(), one should also define __ne__() so that the operators will behave as expected".
However, it appears that Python computes __ne__ as not __eq_...
Itch asked 27/6, 2014 at 15:23
3
Solved
This works fine:
select
case (1+2) -- (or_some_more_complicated_formula_yielding_a_numeric_result)
when 200 then '200'
when 100 then '100'
else 'other'
end hi_med_low
from dual ;
But I n...
Avelar asked 27/5, 2014 at 16:59
8
Solved
I know that the value itself for a RowVersion column is not in and of itself useful, except that it changes each time the row is updated. However, I was wondering if they are useful for relative (i...
Malignancy asked 17/12, 2010 at 13:20
3
Solved
Perhaps this is a rather newbie-ish question, but I'm curious. I have tried searching for it, but I suppose I lack the correct terminology to search properly.
Difference between != and <&...
Lutist asked 26/12, 2013 at 22:44
3
Solved
I have a data.table that i want to filter based on some inequality criteria:
dt <- data.table(A=letters[1:3], B=2:4)
dt
# A B
# 1: a 2
# 2: b 3
# 3: c 4
dt[B>2]
# A B
# 1: b 3
# 2: c 4
Th...
Tradesfolk asked 13/12, 2013 at 14:46
1
Solved
How can I draw an area bounded by some linear inequality functions using matplotlib.
For example, if we have 3 functions:
y <= -2+4x, y >= 2+0.5x, y <= 7 -0.3x
I would like to draw s...
Skyrocket asked 10/7, 2013 at 16:54
15
Solved
What is the best method for comparing IEEE floats and doubles for equality? I have heard of several methods, but I wanted to see what the community thought.
Injector asked 21/8, 2008 at 21:47
2
Solved
I need to find the conditions for the real part of a complex number to be negative. I thought Reduce would be perfect for this, but it gives redundant output (even after simplification). For exampl...
Crop asked 8/1, 2012 at 18:28
3
I'm aware that app engine has the restriction of "Inequality Filters Are Allowed On One Property Only" as described here: http://code.google.com/appengine/docs/python/datastore/queriesandindexes.ht...
Whopper asked 11/6, 2010 at 7:41
4
Solved
I've just come across this in a WHERE clause:
AND NOT (t.id = @id)
How does this compare with:
AND t.id != @id
Or with:
AND t.id <> @id
I'd always write the latter myself, but clearl...
Kerwinn asked 11/8, 2008 at 15:56
6
Solved
Which of the two (semantically equivalent) ways is preferable to test for inequality?
'foo' != 'bar' (exclamation mark and equals sign)
'foo' <> 'bar' (less than and greater than chevron sy...
Discarnate asked 14/1, 2010 at 19:34
1
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