yi | yi is a eight trigrams generate algorithm with zhouyi | Machine Learning library
kandi X-RAY | yi Summary
kandi X-RAY | yi Summary
TimeQiGua() 参数: 下卦:int 上卦:int 变数:time.Time. NumberQiGua() 参数: 下卦:int 上卦:int 变数:int.
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Top functions reviewed by kandi - BETA
- Initializes the GuaXiang data .
- Convert zong to z .
- NumberQiGua creates a new ian - th ia - than - thi .
- jiao computes the jaui of the two boxes .
- bianGua returns the gua that can be used to generate the Juju Juju
- readData reads data from a file .
- hu computes and returns hu .
- bian computes the cardinality of bian and bian .
- StringToTime convert string to time . Time
- timeToBian converts time . Time to int
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QUESTION
assuming I have any function such as
f(x, y, z) = xyz
what's the fastest way of calculating every value for f given three linear input arrays x, y, and z?
Of course I can do something along the lines of,
...ANSWER
Answered 2021-Jun-12 at 17:09First create the grid mesh array (x,y,z) as 3-tuples using meshgrid
then you can apply the function in sequence:
QUESTION
Given a test data from this link:
I would like to groupby poi
column and select 2 rows for each group, then find common address
part (the colored part from table above) for each group starting from left, ie., ceng
are common for poi
is 1
, but it has been ignored.
For filter rows which has at least 2 rows for poi
and select 2 rows for each group.
ANSWER
Answered 2021-Jun-04 at 01:10A custom aggregation function solves it. For the example above, I suggest the following:
QUESTION
I implemented a static array, how can I convert it to a dynamic array?
I have completed this task: Write a program for approximating the function f(x) on the interval [a, b] by a given method, m is the number of points at which the function is known (the size of the table). The function type is set to get the values of the table (xi, yi), i=1,2,..., m and check the quality of the approximation. I designed the solution to this problem in a separate function, but I can't rewrite this task using a dynamic array.
Please tell me how to solve this problem using a dynamic array?
...ANSWER
Answered 2021-Jun-03 at 12:32Here you have a good starting point. Not sure I understand your code, but this compiles:
Side notes:
- if you use C++, then it is not
but
- single letter identifiers (variables and functions) is not recommended (except maybe for iterating ints), you should use significant names.
QUESTION
I am trying to create an animation using matplotlib. I have written the following code, in which I have created a function called update_plot()
. This functions runs a loop, in which data change and plot()
function is called. The plot()
function clears old plot and redraws it. If I try to run a loop inside update_plot()
function (even if it doesn't affect the plot), the canvas shows nothing. Does anyone know why this happens? Thank you in advance!
ANSWER
Answered 2021-May-26 at 15:33I found my answer here:
As I understood, the loop I tried to run, interrupts the GUI event loop.
So I replaced the line:
QUESTION
I am struggling with improving the speed of interpolation of a large dataset which I am interpolating using gridfit. I have already posted a question on stackoverflow but havent got a response
So, I am thinking of trying something alternate. My idea is that if I have a huge dataset, as shown by the Python code snippet below
...ANSWER
Answered 2021-May-25 at 12:59I think what you have in mind is essentially nearest neighbors regression. Here's how you could do this with scikit-learn. Note that the number 4 of neighbors considered is an arbitrary choice, so you could also try other values.
QUESTION
I need to make a python script that takes 2 pieces of info from each row of an excel sheet and pastes it into a specific line of a txt file(formatted as c file). I used a lot of online resources to create this but facing this error. I'm a complete beginner to Python so if you could help, I'd greatly appreciate it. Thanks!
...ANSWER
Answered 2021-May-12 at 18:01Try this:
QUESTION
I want to have some box annotations inside a plot with matplotlib
. Is there a way to specify a fixed width for the textbox? I want to be able to have some random text inside my annotation that gets adjusted automatically, not to the sides, but top down.
Here is a minimal example:
...ANSWER
Answered 2021-May-07 at 23:55matplotlib has something to auto wrap the text, see this example, or this example.
I don't think you can do it with him AnnotationBbox
, but using the plt.text
, with the parameter wrap=True
:
QUESTION
I am currently doing a meta-analysis using the metafor
package in R.
My dataset looks like that :
ANSWER
Answered 2021-May-04 at 21:24In rma()
, the weights
argument (if specified) must be a vector of the same length as the number of estimates included in the model.
You might be thinking of the W
argument in the rma.mv()
function, which can be a matrix, but not in the way you are thinking (it would have to be a matrix with the same number of rows and columns as the number of estimates included in the model).
You are apparently trying to specify weights that are some kind of combination of the sample sizes and QATSDD scale values. You will have to specify yourself how those two sets of values should be combined into a single value per study (i.e., rma()
cannot do that for you).
QUESTION
for a project, I have to create a table with 51 attributes in SQLite via Python using ORM, so defining the tables as classes. Structure is like this table, but with y1-y50, which are similar.
...ANSWER
Answered 2021-May-03 at 17:54Try this:
QUESTION
I’m trying to do a function to detect intersections between two circles. If yes it scores true, otherwise it scores false, but I think I got lost so it does not display what I want. If anyone can help me please . Thank you Surely I have incorrectly coded in javascript if there is a person who knows the answer I am all ears
...ANSWER
Answered 2021-May-02 at 11:37You could do like this (check the interactive demo):
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