vars | Multivariate Time Series Models : VAR , SVAR and SVEC | Predictive Analytics library
kandi X-RAY | vars Summary
kandi X-RAY | vars Summary
Estimation, lag selection, diagnostic testing, forecasting, causality analysis, forecast error variance decomposition and impulse response functions of VAR models and estimation of SVAR and SVEC models. This R package is used in the Springer book Analysis of Integrated and Cointegrated Time Series with R. The package is hosted on CRAN.
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QUESTION
I'm making a POC with Lumen and Vue.JS. For now it just has to send a "hello world" message from the Lumen back-end to the Vue.JS front-end (which works). I have made an event which is triggered upon loading the page like this:
...ANSWER
Answered 2021-Jun-15 at 16:42Fix composer.json
I have created an issue on the PHP package: https://github.com/pusher/pusher-http-php/issues/295
It is true this version is broken, but the fix should be in the composer.json file. Mine looked like this:
QUESTION
With fullcalendar v4.3.1 in Alpinejs 2 app I want to show some text near with myCustomButton, depending on current states of vars. I do it like:
...ANSWER
Answered 2021-Jun-15 at 14:45You should pass a DOM element in after() instead.
Ref. MDN after()
QUESTION
I have a serie of string that will be pass to a function, and that function must return an array. The string is a serie of vars to be export on bash, and some of that vars may be a json. This is the possible list of string as example and the expected result:
string return desc ONE=one[ "ONE=one" ]
Array of one element
ONE="{}"
[ 'ONE="{}"' ]
Array of one element with quoted value.
ONE='{}'
[ "ONE='{}'" ]
Array of one element with simple quoted value
ONE='{attr: \"value\"}'
[ "ONE='{attr: \\"value\\"}'" ]
Array of one element
ONE='{attr1: \"value\", attr2:\"value attr 2\"}'
[ "ONE='{attr1: \\"value\\", attr2:\\"value attr 2\\"}'" ]
Array of one element and json inside with multiples values
ONE=one,TWO=two
[ "ONE=one", "TWO=two" ]
Array of two elements
ONE=one, TWO=two
[ "ONE=one", "TWO=two" ]
Array of two elements (Ignoring space after comma)
ONE='{}', TWO=two
[ "ONE='{}', TWO=two" ]
Array of two elements, one quoted
ONE='{}',TWO='{}',THREE='{}'
[ "ONE='{}'", "TWO='{}'", "THREE='{}'" ]
Array of three elements
ONE='{}', TWO=two, THREE=three
[ "ONE='{}',", "TWO=two", "THREE=three" ]
Array of three elements, one quoted
How can i get the correct regex or process to get the expected result on each one?
This is what i have:
...ANSWER
Answered 2021-Jun-15 at 01:50The issue with your regex is you're only testing the quote enclosures like ONE='{attr: \"value\"}', but not allowing ONE=one.
When you use a capture group with an optional match
(['"]?), if it doesn't match, the group still captures a zero-width character. When combine it with a negative lookahead(?!\2)it fails everything - any character has a zero-width character in front of it.
You just need to combine the quote enclosure test with |[^,]*, so it works for both scenarios.
Here's a simplified version of your concept:
QUESTION
Please, help me making out why is event listener's callback executing twice: because I need to have such a feature as leaving comments, but when I click post button, the callback immediately executes twice. I tried adding doubling preventer, cllciked var declared in useState, but it didn't help anyways. And it happens even when I SIGNGLE-click on the submit button, and not DOUBLE-click.
This is my component's code:
...ANSWER
Answered 2021-Jun-15 at 04:49Try this event.preventDefault();
More information: https://developer.mozilla.org/en-US/docs/Web/API/Event/preventDefault
QUESTION
If I wanted to create new vars from a pre-existing range and change their values, without having to do them all individually, what would be the best approach?
For example, here I create 1C based on 1, but recode the 2s to zeroes etc. However, how would I create 100 new vars at the same time (calling them 1C, 2C, 3C etc) based on the same logic?
...ANSWER
Answered 2021-Jun-14 at 20:52We can use dplyr::across and dplyr::recode:
Imagine we had the following data:
QUESTION
I am creating a shiny app and part of its purpose is to allow the user to upload a CSV and be able to select column/variables of interest. So far, I have successfully managed to upload a file, but the reactive part to select columns does not work, that is when I click on 'incorporate external information' nothing happens. I used this answer for guidance. How can I allow the user to select the columns and then display them accordingly? The purpose of column selection is to then allow the user to perform regression analysis on selected columns.
...ANSWER
Answered 2021-Apr-25 at 11:07It may be better to process your data once, and then use it for additional purpose. Try this
QUESTION
I'm learning Datalog/DataScript/Datomic. For this I've setup a simple ledger database on DataScript to play with. By now it basically consists of a set of accounts and a list of records with the attributes :entry.record/account and :entry.record/ammount. Now I'm trying to get the balance of all the accounts, by summing all the :entry.record/ammount for each account. This query gives me the balance for all the accounts that have records on the ledger:
ANSWER
Answered 2021-Jun-14 at 13:00Datomic's Datalog is definitely uncomfortable for this sort of aggregation; my recommendation is indeed to use or-join so as to emit a zero amount:
QUESTION
I am trying to understand the usage of existentially quantifying. What I know by now is this technique is used with setof, findall, bagof. Further, I found a tutorial. However, I am not sure when and how I do the Vars^Goal (existentially quantifying) in Prolog.
Here is the example, my goal is to find two employees who know each other but work at different companies, binding the result with L showing Name1-Name2:
ANSWER
Answered 2021-Jun-14 at 12:48I am not sure when and how I do the Vars^Goal (existentially quantifying) in Prolog.
The easiest answer is: Don't do it, ever. You can always introduce an auxiliary predicate that captures exactly the query you want, exposing exactly the arguments you want and nothing else (that would require quantification), and with a nice self-documenting name.
In your example, you can define:
QUESTION
I have a dataset with multiple variables and wish to plot them on one graph as one series so that I can plot a "trendline" through the datapoints. However, it's important that the order is the same as the row names in the original dataframe.
I can plot the points as so:
...ANSWER
Answered 2021-Jun-14 at 11:24To maintain the same order as rownames of the orignal dataframe you can do -
QUESTION
I am trying to learn Golang via project based learning. The problem I have placed before myself to simulate customers adding products to their cart. Currently, I have the Cart.go model as such..
ANSWER
Answered 2021-Jun-14 at 02:52Scan places the value into the pointer to a variable you've given it (via &c), and returns a database transaction object. You're calling that transaction object items, which it isn't. The items (ie, the contents of your cart) are in c *Cart, not in the thing returned by Scan.
Your method modifies c by filling it, it doesn't have to return anything, unless you want to return the error that Scan may return.
Instead of this...
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