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QUESTION
I've got an R matrix with some data produced by a computer program. I've configured the data to be imported into R as a matrix. There are an even number of columns, with column (2*i, 2*i+1)
being two variables measured under condition i
. I've made a visualisation of this below, and how I am trying to produce a box-plot:
Unfortunately, the columns don't have any labels, or anything like that, and I'm not sure how to get multiple boxplots in the case where I have two columns representing the different labels in this format.
I've tried to adapt this excellent question to work, but given his columns are effectively a combined version of the (A,B) pairs you see in my diagram with a label column, I'm not sure how to re-work it for my case.
Here's what I've got so far, but the grouping isn't there and nor are the categories:
Since it's useful to have the actual data, I've posted a link to my data here.
...ANSWER
Answered 2021-Jan-24 at 18:28You will need to convert your data from a matrix to a data frame and extract the information about the groups (i) and first/second column within each group somehow.
A possible solution:
QUESTION
I have two different dataframes:
...ANSWER
Answered 2020-Nov-19 at 15:24With only two bars, it's fairly easy. The solution is to align the bars on the "edge" of the tick, one bar is aligned to the left, the other to the right.
Repeat the same logic for proper alignment of the annotations. Half of them are left-aligned, the others are right-aligned
QUESTION
I'm having issues with matplotlib. I want to make a scatterplot with two y-axes and the two axes should correspond to two different dataframes. But the problem I'm encountering is plotting multiple lines from one dataframe.
the first dataframe (IV_dv):
...ANSWER
Answered 2020-Sep-23 at 14:10Let's use pandas plot it is easier:
QUESTION
I have a strange problem with a code I'm trying to run on jupyter notebook(python version - 3.7.6)
the code in this link (https://towardsdatascience.com/to-all-data-scientists-the-one-graph-algorithm-you-need-to-know-59178dbb1ec2) was kind of out of date because of the python version it was written on. I changed the ".iteritems" to ".items" and it worked well up to this part:
...ANSWER
Answered 2020-Jul-22 at 03:20Like the other issues you mentioned (such as the missing parentheses in print
, and the items to iteritems change), this is a Python version issue. In Python 3, pop doesn't work on dict_keys.
To work around this, you can make it a list. In your code, do nodes = list(graph.keys())
.
QUESTION
In this program I am cloning a graph in c++.
This is the question that i am coding.
This is my program and following it the issue and problem area.
ANSWER
Answered 2020-Jun-08 at 03:32umap[value] = newNode;
exhibits undefined behavior, by way of accessing an uninitialized variable value
.
In practice, value
contains some garbage that happens to sit on the stack. Changes to seemingly unrelated parts of the program affect the contents of the stack, and thereby the initial value of value
, and ultimately the way the aforementioned undefined behavior manifests itself.
QUESTION
ANSWER
Answered 2020-Jan-29 at 02:15You can get the series name from ev.target.dataItem.dataContext.name
, which is documented further down in the same page. You can use that and loop through the chart series array and call show()
or hide()
as needed on matching/non-matching series, similar to the v3 demo:
QUESTION
I am trying to measure the duration for both Merge Sort and Quick Sort functions using std::chrono time calculations and using randomly generated arrays of integers within some range [A, B], the sizes of the arrays vary from 5000 to 100,000 integers.
The goal of my code is to prove that when the method of picking the (pivot) in quick sort is improved, the quick sort function ends up taking less time to process the array than merge sort, the way I pick the pivot is using the random index method to minimize the probability of having a complexity of (n^2), However in some cases which I will describe below, the quick sort ends up taking more time than merge sort and I would like to know why this occurs.
case 1: The range of the numbers in the array is small which increases the probability of having duplicate numbers in the array.
case 2: When I use a local IDE like clion, the quick sort function takes a lot more time than merge sort, however an online compiler like IDEONE.com gives similar results in both sorting algorithms (even when the range of the generated integers is small)
here are the results I got in the mentioned cases(the first row of numbers is merge sort results, the second row is quick sort results):
1-clion results narrow range of numbers (-100, 600)
2-clion results with a wide range of numbers (INT_MIN, INT_MAX)
3-IDEONE results with a narrow range of numbers (-100, 600)
4- IDEONE results with a wide range of numbers (INT_MIN, INT_MAX)
...ANSWER
Answered 2019-Mar-29 at 12:44Quicksort is known to exhibit poor performance when the input set contains lots of duplicates. The solution is to use three-way partitioning as described on Wikipedia:
Repeated elements
With a partitioning algorithm such as the ones described above (even with one that chooses good pivot values), quicksort exhibits poor performance for inputs that contain many repeated elements. The problem is clearly apparent when all the input elements are equal: at each recursion, the left partition is empty (no input values are less than the pivot), and the right partition has only decreased by one element (the pivot is removed). Consequently, the algorithm takes quadratic time to sort an array of equal values.
To solve this problem (sometimes called the Dutch national flag problem), an alternative linear-time partition routine can be used that separates the values into three groups: values less than the pivot, values equal to the pivot, and values greater than the pivot. ... The values equal to the pivot are already sorted, so only the less-than and greater-than partitions need to be recursively sorted. In pseudocode, the quicksort algorithm becomes
QUESTION
I tried to add the percentage on the bar in combo chart, line and column graphs.
However, all the values displayed are messy.
I provide the data here, this is also my previous post and the answer is provided by Quang Hoang.
...ANSWER
Answered 2019-May-31 at 16:01What I'm doing is dynamically labeling the bar graphs based on the coordinates for each patch that's drawn by the bar function.
QUESTION
ANSWER
Answered 2019-May-02 at 21:51Well yes, that is indeed what the bazel build
command does.
If you look at the actual BUILD file (tensorflow/tools/graph_transform/BUILD) you'll see that it has its build rules and dependencies, which basically includes all the source code in that directory. The summarize_graph
command's logic is included in those (you'll find that in summarize_graph_main.cc under the same directory).
You can follow the specific build rule to see what it does, or use a visualization tool. Here's what it looks like:
QUESTION
So, I'm just linking the excellent post, Two interactive bokeh plots: select a value in one graph and change the other with the additional question if/how can this be done standalone (no Bokeh server) i.e. just with JSCallbacks?
Much appreciated!
...ANSWER
Answered 2019-Mar-30 at 13:11Here is a JS callback version for Standalone Document (tested on Bokeh 1.0.4):
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