minimum Questions
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I have a data.frame that contains 4 columns (given below). I want to find the index of the minimum column (NOT THE VALUE) for each row. Any idea hiw to achieve that?
> d
V1 V2 V3 V4
1 0.38811...
2
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I would like create new column for given dataframe where I calculate minimum between the column value and some global value (in this example 7). so my df has the columns session and note and my des...
3
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I can find the median with 12 comparisons. But I want to know the minimum number of comparisons and how to do it.
2
I am trying to create a column which contains only the minimum of the one row and a few columns, for example:
A0 A1 A2 B0 B1 B2 C0 C1
0 0.84 0.47 0.55 0.46 0.76 0.42 0.24 0.75
1 0.43 0.47 0.93 0....
Yves asked 25/8, 2014 at 5:40
2
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Since the Math.min() function only allows for the use of 2 elements, I was wondering if there is maybe another function which can calculate the minimum of more than 2 elements.
Thanks in advance!
...
2
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I already saw a similar question here(Get minimum unused value in MySQL column) which is exactly what I want except what I need to select the minimum available number not from just a table but from...
4
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I've got this matrix:
a <- matrix(rnorm(1000 * 18, mean = 100, sd = sqrt(10)), 1000, 18)
I would like to find the maximum and minimum value of every column and the maximum and minimum value o...
1
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I have two data frames with different sizes. I want to replace the values of the first data frame by the values of the second data frame only if the values of the second data frame are less than th...
3
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With the following definitions I want to prove lemma without_P
Variable n : nat.
Definition mnnat := {m : nat | m < n}.
Variable f : mnnat -> nat.
Lemma without_P : (exists x : mnnat, True)...
4
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I am using Data Annotations for Model validation in MVC4 and am currently using the StringLengthAttribute however i do NOT want to specify a maximum value (currently set at 50) but DO want to speci...
Phile asked 9/7, 2012 at 23:4
2
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How can I know the (row, column) index of the minimum of a numpy array/matrix?
For example, if A = array([[1, 2], [3, 0]]), I want to get (1, 1)
Thanks!
1
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The current deployment target is 11.0 which is fine.
However, I would like to know how I would set a minimum of 8.0?
Manutius asked 28/9, 2017 at 9:16
7
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I want to make a simple macro with #define for returning the smaller of two numbers.
How can i do this in C ? Suggest some ideas, and see if you can make it more obfuscated too.
Putdown asked 16/3, 2010 at 22:51
1
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I have processed radar image and to detect water I have to find local minimum in the histogram. Histogram is little bit different for every area so I have to automatically find local minimum based ...
7
I need to find the minimum cut on a graph. I've been reading about flow networks, but all I can find are maximum flow algorithms such as Ford-Fulkerson, push-relabel, etc. Given the max flow-min cu...
Debauchery asked 19/12, 2010 at 12:44
3
I'm trying to outline an algorithm to determine if my array is a minimum heap. Is there any documentation out there that could help me with this? I found a function for it on Apache's website, but ...
5
I'm having an issue with highcharts where I have a number of different charts being generated by JSON calls.
For the majority of these charts I need the minimum y-axis value to be set at 0, howev...
Lengthy asked 7/5, 2013 at 10:47
4
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I have a data.frame with columns "a" and "b". I want to add columns called "high" and "low" that contain the highest and the lowest among columns a and b.
Is there a way of doing this without loop...
Arlinda asked 8/4, 2011 at 7:1
5
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The following question indicates that the minimum value of a Double is -Double.MAX_VALUE. Is this also true for Float (i.e., -Float.MAX_VALUE)?
Darksome asked 15/8, 2011 at 22:17
7
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In this code construct:
public MyClass(Integer... numbers) {
do_something_with(numbers[]);
}
is it possible to require that numbers contains at least one entry in such a way, that this is check...
Unspeakable asked 5/10, 2012 at 18:6
5
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So I've just lost several hours of my life trying to win this battle, with no luck. In summary, I'm trying to fill a table with three 10px images, but GMail is forcing each cell to be 16px. Here's ...
2
What is the minimum value of a 32-bit signed integer, happens to be the security "challenge" question in order to make an account at [this website](edit: link is now malware) (don't judge I'm just ...
4
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I have a paragraph tag that I defined elsewhere with a line height of 15px, and I have another paragraph tag further down the page where I want to make the line height around 10px. Funny thing is, ...
4
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From my previous question "Is floating point precision mutable or invariant?" I received a response which said,
C provides DBL_DIG, DBL_DECIMAL_DIG, and their float and long double
counterparts...
Sabbatical asked 2/6, 2015 at 5:10
1
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How can I show the max. and/or the min. value(s) of of a graph in a plot at their appropriate position automatically?
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