raptor | Implementation of the Route Based Public Transit Algorithm
kandi X-RAY | raptor Summary
kandi X-RAY | raptor Summary
Implementation of the Route Based Public Transit Algorithm (Raptor)
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QUESTION
My problem is probably simple for many of you. I have a tibble that contains a list of categories with values next to them related to that category. I want to create a dataset from these values. For this I create a new tibble. In a column I draw one of the categories at random (function sample, replace =T). In the second column I want to add noise to the characteristic value of this category. My problem is to find out how to refer to the cell that is relative to this particular category in another table.
Here is an exemple :
...ANSWER
Answered 2021-May-16 at 11:59One approach is to simply sample beforehand, store it in s
, and then subset carac$class
and carac$weight
with s
:
QUESTION
I have this csv file named sample.csv:
...ANSWER
Answered 2021-Jan-07 at 16:23If you want to include both conditions
QUESTION
This is my first question on here and first project on my own. I have a client (C++ on Windows 10) using the SimConnect SDK to pull data from the Prepar3D Flight Simulator and a server (C on Ubuntu) that is receiving this data. I am using sockets and Protocol Buffers. The client receives the data from the sim, maps it to a protocol buffer and sends it. The server receives it from the socket, decodes the protocol buffer and then processes it. The issue is that the last field (dWindDirection) is always corrupted on the receiving end. I'm not entirely sure how/why it's being corrupted but it's consistent as in the same input to the socket always leads to the same corrupted output from the socket. I followed Protocol Buffer over socket in C++ for the use of protocol buffers over a socket. I have included my code below as well as the output.
Source code can also be found here. https://github.com/nbreen/Simconnect-Data-Client
Client function that sends the protobuff
...ANSWER
Answered 2020-Dec-19 at 12:50If you look at the raw hex values for the dWindDirection
, they are:
QUESTION
I have tidy data, and followed the example here.
Worked on my office computer, doesn't on my home computer. Now I get:
...ANSWER
Answered 2020-Dec-14 at 00:49The difference working on home and work computers may be related to version of dplyr
and/or broom
?
Instead of group_by
try using nest_by
(dplyr
version 1.0.0) and run your model on each row of nested data. Using nest_by
will create a new temporary list column data
. It is similar to previously using nest
and rowwise
. The model needs to be in list
as well here.
QUESTION
In my DataFrame, I have column named 'teams'. It includes the city and team name. I'd want to extract the city into another column. Here is the dataframe: DataFrame sample
...ANSWER
Answered 2020-Oct-24 at 17:18Don't struggle with regex for this, unless you find it very readable. Instead, starting with the string team_name
... split, slice, and join:
QUESTION
I am a beginner in learning SQL can anyone help me making a SQL Query:
two tales:
users two columns:
- id the unique user id
- car owned the user
cars
- car is the unique car name
- garage who service the car
I need a select statement that return two columns id and garage considering of user id and the garage name where their car go for service . If a user's car is missing from cars table , the garage column should contain "Missing" instead. return the table sorted by user id's
Users table
...ANSWER
Answered 2020-Oct-02 at 10:08check this
QUESTION
I am exceeding my API uses due to the fact that everytime I change tabs on my site it makes a refreshes and makes all the API Calls over again. All the code provided is the component for the tabs, everything works properly just trying to prevent the refresh on tab switches. Is there any way to prevent this?
...ANSWER
Answered 2020-Sep-22 at 06:37You could create another component (e.g. ) that does the API call and renders
passing the teams as props to
. Changing the active tab inside
would then still re-render
but not
and hence not call the API.
QUESTION
I want something like that..
https://pl.sports-streams-online.best/?st=nbastream.tv&plcm=db&q=Raptors+vs+Lakers
See that URL part q=Raptors+vs+Lakers, If i input any text on this section it will automatically change on website body. I want to know how i can do this. I will input a text in URL and it will display on website body.
Thanks for advance.
...ANSWER
Answered 2020-Aug-11 at 19:23You can parse window.location
and put that into a div on your page. I can't show you in a code snippet because the snippets use an iframe but if your html has
?st=nbastream.tv&plcm=db&q=Raptors+vs+Lakers
, then you want the value for parameter 'q'
:
QUESTION
I have two data frames that I am trying to join using full_join, here is a subset of my data:
...ANSWER
Answered 2020-Aug-05 at 09:28The problem is that in your first data.frame the Team names have a trailing space. This means that instead of the string "Bucks"
you have the string "Bucks "
.
These two strings cannot be joined.
Here is how you can fix your data. First delete leading spaces using sub
and then transform the Team into a character vector. Then the full_join works as planned:
QUESTION
say you have an array of objects as shown at the bottom, how would you go about iterating over this array to get the results of every previous game played.
I basically got turned around when trying to iterate over values that didnt exist
ANSWER
Answered 2020-Aug-05 at 05:21A little bit messy. But it works for the input
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