g2 | modern implementation of Gearman in Go Programming Language
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👾 Gearman in Golang
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of g2
g2 Key Features
g2 Examples and Code Snippets
def gradients(ys,
xs,
grad_ys=None,
name="gradients",
colocate_gradients_with_ops=False,
gate_gradients=False,
aggregation_method=None,
stop_gradients=N
def kruskal(self) -> GraphUndirectedWeighted[T]:
# Kruskal's Algorithm to generate a Minimum Spanning Tree (MST) of a graph
"""
Details: https://en.wikipedia.org/wiki/Kruskal%27s_algorithm
Example:
>>
def graph_defs_equal(graph_def_1: graph_pb2.GraphDef,
graph_def_2: graph_pb2.GraphDef,
treat_nan_as_equal: bool = False) -> bool:
"""Returns True iff the graph def arguments are structurally equivalent.
Community Discussions
Trending Discussions on g2
QUESTION
I want to subset a dataframe based on a column with cumulative values (the column "value").
My dummy dataframe is:
ANSWER
Answered 2021-Jun-12 at 16:32Are you perhaps looking for df.drop_duplicates() ?
With subset
you can specify on which columns to operate, and with keep
which rows to keep.
QUESTION
I need help in order to add colors to ggplot objects (specificaly geom_bar).
Here is my data
...ANSWER
Answered 2021-Jun-11 at 09:47We can create range of colours for each Group then match on order of Family. You might need to play around with colours to make the difference more prominent:
QUESTION
I am running a multivariate model (4 response variables) with two random effects using MCMCglmm()
. I am currently using a inverse Wishart prior.
ANSWER
Answered 2021-Jun-12 at 01:25This is a two-part question:
- what priors should I use for a multivariate random effect where the likelihood is concentrated at small values? (I am assuming that this is the reason you are looking for an alternative to the default inverse Wishart priors) [more suitable for CrossValidated]
- which of these are available in
MCMCglmm
, and how do I implement them there? [good for Stack Overflow]
The general trick is to decompose the covariance matrix into a multivariate component (the correlation matrix or inverse correlation matrix or something) and a vector of scaling parameters for the standard deviations (or inverse standard deviations); Lemoine suggests U(0,100) for the scaling priors, which I think is bad (why flat? I can't get to the precise page of Gelman and Hill 2007 where they discuss which distribution to use for scaling priors ... but I would be a little surprised if they actually recommended a uniform distribution on the variance scale ...)
update having actually looked at your code (!): I think you're doing the right thing, except that nu=0.002
seems really extreme; see end for that discussion.
This is basically what MCMCglmm
does, but it uses a different (IMO better) choice for the scaling priors. It sounds scary:
These priors are all from the non-central scaled F-distribution, which implies the prior for the standard deviation is a non-central folded scaled t-distribution (Gelman, 2006).
but it boils down to choosing four parameters, only two of which you really have to think about.
V
: the prior mean variance (or the prior mean covariance matrix, if you have a multivariate random effect term). According to the course notes, "without loss of generality V can be set to one" (or in the case of a multivariate model, to an identity matrix)alpha.mu
: we almost always want this to be zero (or as in your example, a vector of zeros); that way the prior for the standard deviation will be a Student t distribution. (There may be a use case foralpha.mu != 0
, but I've never run across it.)alpha.V
: withV
set to 1 (or an identity matrix), this is the prior mean of the covariance matrix. A diagonal matrix with a reasonable scale for your problem is a good choicenu
: the shape parameter; asnu
→ ∞ we get a half-Normal prior for the standard deviations, withnu
=1 we get a Cauchy distribution. Smaller values have fatter tails (less conservative/allowing broader samples, but also giving more danger of weird sampling behaviour in the tails).
For the univariate case Hadfield says the t prior with V=1
is
QUESTION
When I request any API endpoint from Swagger UI give me the following error
System.InvalidOperationException: No authenticationScheme was specified, and there was no DefaultChallengeScheme found. The default schemes can be set using either AddAuthentication(string defaultScheme) or AddAuthentication(Action configureOptions).
at Microsoft.AspNetCore.Authentication.AuthenticationService.ChallengeAsync(HttpContext context, String scheme, AuthenticationProperties properties)
at Microsoft.AspNetCore.Authorization.Policy.AuthorizationMiddlewareResultHandler.HandleAsync(RequestDelegate next, HttpContext context, AuthorizationPolicy policy, PolicyAuthorizationResult authorizeResult)
at Microsoft.AspNetCore.Authorization.AuthorizationMiddleware.Invoke(HttpContext context)
at Microsoft.AspNetCore.Authentication.AuthenticationMiddleware.Invoke(HttpContext context)
at Swashbuckle.AspNetCore.SwaggerUI.SwaggerUIMiddleware.Invoke(HttpContext httpContext)
at Swashbuckle.AspNetCore.Swagger.SwaggerMiddleware.Invoke(HttpContext httpContext, ISwaggerProvider swaggerProvider)
at Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(HttpContext context)
HEADERS
=======
Accept: /
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.5
Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJVc2VySWQiOiIzIiwiTG9naW5JZCI6ImFkbWluIiwiVXNlclR5cGVJZCI6IjEiLCJFbWFpbCI6ImEiLCJNb2JpbGUiOiJhIiwianRpIjoiMWU1MDY3ODAtMWRjNS00MDYzLWFkMTktMDdlMjg4MzAxOWVjIiwiZXhwIjoxNjIzNDYzNjQ4LCJpc3MiOiJlZHVjYXJlLmNvbSIsImF1ZCI6ImVkdWNhcmUuY29tIn0.G2-D_oIdwUDw_3iz87jxWBIMabFpLlR5ASjCr109kNM
Connection: keep-alive
Host: localhost:21068
Referer: http://localhost:21068/swagger/index.html
the Swagger configuration is given below
...ANSWER
Answered 2021-Jun-11 at 10:20It's not about Swagger your code is missing AddAuthentication(). The example below registers the Authentication schemes (JWT & Cookie) while using the JWT as the default scheme. More info in the Docuementation.
QUESTION
No sure how to specify the question, but say I have sparse matrix:
...ANSWER
Answered 2021-Jun-10 at 19:23Maybe you can try crossprod
like below
QUESTION
I have a data set of {x2} values for which two arrays f[x2] and g[x2] are known. The data set {x2} is not uniformly spaced; and I would like to evaluate the convolution integral of f,g using these known samples. A minimal code for this would be something like:
...ANSWER
Answered 2021-Jun-09 at 14:33quad
will require a continuous function as input.
Since your data is discrete you should use discrete convolution from
numpy.convolve
QUESTION
I have a tab delimited binary matrix of bacterial strain names and genes, listed as present (1) or absent (0), which is output by ROARY (pangenome pipeline).
This is a mock version of the data:
...ANSWER
Answered 2021-Jun-08 at 19:55We can do a group by operation i.e. grouped by 'gene', check if all
the 'a', 'b' are found in the 'strain' where the 'pres_abs' value is 0 and to avoid getting the 1 values in pres_abs, create a second condition i.e. 'pres_abs' as 0
QUESTION
I am trying to repeat a range of values (text), A2:A19
by G2:G19
number of times. However, one of the repetitions has higher 'n' value and therefore no repetitions shows up for that particular text value because REPT
result cannot exceed the limit of 32000 characters.
ANSWER
Answered 2021-Jun-06 at 15:55try to REPT
it by force indirectly:
QUESTION
I had to try the example of qiskit’s Traveling Salesman Problem with 3 nodes and executing it at IBM backend called simulator_statevector.Can execute and get the result normally.
But when trying to solve the TSP problem with more than 3 nodes,I changed n = 3 to n = 4.
...ANSWER
Answered 2021-Jun-05 at 12:02I found the answer, my method is to increase the Ansat number of reps from 5 to 7.
from solving TSP 4 node problem
QUESTION
I receive the following payload from an external system. I need to return only the value of the "Cert Hash(sha256)" e.g. 267c797962b5ee69afd7fed3edc3fb41359a08a107fd801ddd5c5fd5925c09bb. This will change for each payload. I'm not great at regex so any help would be apprecitaed.
...ANSWER
Answered 2021-Jun-05 at 05:05You don't really need regex to find the string, you can try:
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