dtm | implements topics that change over time | Topic Modeling library
kandi X-RAY | dtm Summary
kandi X-RAY | dtm Summary
This implements topics that change over time (Dynamic Topic Models) and a model of how individual documents predict that change.
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QUESTION
I'm trying to fetch an image from Nasa's APOD API and save it to my computer, but when the request gets sent, I get an SSL certificate error. I'm not sure how to fix it since I've never dealt with this before.
This is what i get:
...ANSWER
Answered 2022-Feb-27 at 13:35you need to replace urllib.request.urlretrieve
by urllib.request.urlopen
and determine a custom ssl context before you call nasa_apod
method, then your program should look like this:
QUESTION
I am trying to make predicitions with my LDA model. But when i pass a string to it it gives an error about mismatching input features. Now my question is how can i make my model accept any input and still predict the right topic. Right now it takes 54777 as input.
model:
...ANSWER
Answered 2022-Feb-16 at 07:45There are three issues with this code snippet.
- Issue-1:
max_df
andmin_df
should be bothint
or bothfloat
. - Issue-2: At the prediction time you have to use the same
CountVectorizer
. - Issue-3: At the prediction time you have to use
the
transform
method, not thefit_transform
method ofCountVectorizer
.
Here is an example code that will help you:
QUESTION
I am using BERTopic to perform the topic modelling, everything works perfectly fine. However, since I am forcing the algorithm to give me 10 topics using nr_topics=10
as output, and when I visualize the topics overtime using
topic_model.visualize_topics_over_time(topics_over_time, top_n_topics=10, width=1250, height=450)
, some colors are repeated for topics as there are only 7 colors mentioned in the function visualize_topics_over_time. I tried executing the same function in my python notebook with additional color values, but it gives me the following error:
Can someone please help me update the function with additional four colors?
...ANSWER
Answered 2022-Feb-08 at 08:25To add colors to the function, you will indeed have to copy the function and change it to include more colors:
QUESTION
I have the shiny app below in which I create a wordcloud. This wordcloud is based on the shiny widgets in the sidebar. The selectInput()
subsets it by label
, the Maximum Number of Words:
is supposed to show the maximum count of words that will be displayed in the wordcloud and the Minimun Frequency
the minimum frequency that a word needs to be displayed. Those widgets are reactive and are based on the df()
function which creates the dataframe needed for the wordcloud. The proble is that when I subset using input$freq
the dataframe has fewer rows than needed to subset with input$max
as well so nothing is displayed.
ANSWER
Answered 2022-Jan-10 at 08:54QUESTION
I am looking to return a specific group in the previous row via regex.
Suppose I have the following information and the target is to extract the value 90 on the basis of the differentiation in the following line.
...ANSWER
Answered 2021-Dec-21 at 22:24You can use
QUESTION
I have webservice using websockets, and need to implement zero-downtime deployment. Because I don't want drop existing connections on deploy, I've decided to implement blue/green deploy. My actual solution looks like:
- I've created two identical services in portainer, listening on different ports. Every service has set in node environments some identifier, for example
alfa
andbeta
- Both services are hidden behind load balancer, and balancer is periodically checking status of each service. If service responds on specific route (/balancer-keepalive-check) with string "OK", this service is active and balancer can routing to this service. If service is responding with string "STOP", balancer mark this service as inaccessible, but active connections will be preserved
- which service is active and which is stopped is synced over redis. In redis there are keys
lb.service.alfa
andlb.service.beta
which can contains values 1 for active and 0 for inactive. Example of implementation /balancer-keepalive-check route in nestjs:
ANSWER
Answered 2021-Dec-02 at 07:39I've modified my AppController. There are 2 new endpoints now, one for identify which service is running, second for switch value in redis:
QUESTION
The lidR package has a neat way to work with huge (pointcloud) datasets: The catalog
function (doc here) avoids loading the dataset to memory and can treat mosaics [datasets that are spread across multiple (non-overlapping) tiles] as single dataset. It loads required tiles on-the-fly during computations in an intelligent way. It is great to avoid working with huge files (multiple GBs) and keep memory requirements lean if only working with small parts of the dataset.
Is there a similar convenient/memory-efficient/"lidR-catalog-way" to process large raster mosaics in R? Or more put in a more general way: Is there a way to work with mosaic raster datasets in R without merging them first?
I am aware of the mosaic
(doc) and merge
functions, which allow me to merge my tiled raster mosaic into a single raster dataset. I also found that gdal
will do so a lot faster and memory efficient. Here is a R-snippet for this:
ANSWER
Answered 2021-Nov-30 at 16:52You should look into the terra
package which provides exactly the functionality you're looking for through virtual raster tiles (VRTs). We can use them to treat a collection of raster files on disk as a single raster file while taking advantage of the API to do a majority of the same tasks as you can do through the raster
package.
First, let's create a sample of 4 rasters using the example straight from the ?terra::vrt()
documentation.
QUESTION
I have tried several times, but it seems like I cannot create a unit test for a very basic Guard in Angular 12 which has
- canActivate
- canActivateChild
as its main methods. Please find the following code:
...ANSWER
Answered 2021-Nov-26 at 11:56Here is how I would configure TestBed module and test guard:
QUESTION
Why doesn't this code work?
I don't know how to describe what happens but here's the code.
...
ANSWER
Answered 2021-Oct-28 at 08:31Well, Theraot has made an answer so please see his answer instead, but if you want to see how I explain it, here you go.
First, Theraot asked me
Is this something specific of the font? What is DialogBox (is it a WindowDialog? I don't see you call popup)? Given that you don't know how to describe the problem, can you provide a video?
I responded
@Theroat It's a Node that contains the dialog box text and a rectangle on which the text stands just for it looking good. and by dialog_box I don't mean a popup just a undertale-like dialog box.
and I sent a video like he asked : https://drive.google.com/file/d/18QrOOw_FZ3MgboVrv59b4sDrFG-AxlmR/view?usp=sharing
He responded
About the video, I was hoping to see it running. However, I notice something on the video you provided. The Label is before the Panel in the scene tree. So the Panel could cover the text. To avoid that, move the Label below the Panel in the scene tree. I don't have the same font file you are using, but I replicated the setup in the video with a different font, and besides the position of the Label, it works fine for me.
And well that's the whole thing, See the comments for what happened in more info.
QUESTION
I have tried to compile one probabilistic model posted on github (https://github.com/gerowam/influence), but for the person who is not familiar with C language and compiling, it is really hard to know how to install relevant libraries and do compiling with "Makefile" on ubuntu 20.04.
The below is what I did for install required libraries according to short introduction to compile process on github webpage:
...ANSWER
Answered 2021-Oct-13 at 12:13As your MKL library is installed in /usr/include/mkl location, you can set MKLROOT environment variable as export MKLROOT=/usr/include/mkl
Another alternate is, to install oneAPI Base & HPC Toolkits from where you can get Intel MKL library package and initialize oneAPI environment which automatically
sets the MKLROOT. For more details regarding oneAPI Base Toolkit and oneAPI HPC Toolkit refer https://software.intel.com/content/www/us/en/develop/articles/installation-guide-for-intel-oneapi-toolkits.html
Refer to the below link regarding Intel oneMKL https://software.intel.com/content/www/us/en/develop/documentation/onemkl-linux-developer-guide/top/getting-started/setting-environment-variables/scripts-to-set-environment-variables.html
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