Rath | Next generation of automated data exploratory analysis | Data Visualization library
kandi X-RAY | Rath Summary
kandi X-RAY | Rath Summary
Rath helps you extract insights from datasource automatically and generate interactive visualizations with interesting findings. Rath can auto generate high dimensional visualization contains complex patterns while most other auto-EDA tools only providing simple low dimensional charts with basic statistics pattern. Its means you can use Rath to explore the data to a deep level and find more insights. Rath design an algorithm recommending visualization with lowest perception error by human eyes, which means you can read the info in visualization much accurate[1]. The origin idea is mentioned in APT, 1987 by Mackinlay[2]. It suggests using visual channel with lower perception error to encode more important fields. However, 'the importance of field' usually is hard to measure. Works like data voyager (compassQL)[3] suppose the fields chosen earlier by user are more important, which means it cannot be used in an automated process where exists no chosen order. Rath compute how much extra view entropy(similar thoughts like entropy, but not exactly the same) a field will bring to a visualization, and use lower perception error visual channel to encode field bring more entropy to the visualization view. Rath can also automate generate best interactive logic of visualizations in a dashboard. It builds a relation graph of visualization set and choose a sub graph which has max sum of edge score(represent relation). It make the selection-filter interaction represents more meaningful correlation or dependency between fields in different visualization. Here are main parts in Rath,.
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QUESTION
I tried reinstalling yarn, npm,
Tried npm cache clean and yarn cache clean.
Still facing the same problem while npx create-react-app my-app
...ANSWER
Answered 2021-Mar-06 at 14:06I am able to resolve the issue by
QUESTION
I have a CSV file that looks something like this:
...ANSWER
Answered 2020-Sep-19 at 04:41You can use:
usecols which helps to read only selected columns.
low_memory is used so that we Internally process the file in chunks.
QUESTION
R's lowess function seems to produce some strange results when there are repeated points in the data frame. In the below data frame for high jump performance in the 2016 Olympic Women's heptathlon high jump, two scored equal best.
...ANSWER
Answered 2020-Sep-06 at 12:13The docs for lowess say that "Normally a local linear polynomial fit is used, but under some circumstances (see the file) a local constant fit can be used." The file it is referring to is https://github.com/wch/r-source/blob/trunk/src/library/stats/src/lowess.doc. I would guess the fact that your dataset is almost perfectly linear is causing some instability in the algorithm to switch to locally constant for the points on the right.
Using the more modern code in loess() avoids this problem:
QUESTION
#include
using namespace std;
/*Prototype for utility functions */
void printArray(int arr[], int size);
void swap(int arr[], int fi, int si, int d);
void leftRotate(int arr[], int d, int n)
{
/* Return If number of elements to be rotated
is zero or equal to array size */
if(d == 0 || d == n)
return;
/*If number of elements to be rotated
is exactly half of array size */
if(n - d == d)
{
swap(arr, 0, n - d, d);
return;
}
/* If A is shorter*/
if(d < n - d)
{
swap(arr, 0, n - d, d);
leftRotate(arr, d, n - d);
}
else /* If B is shorter*/
{
swap(arr, 0, d, n - d);
leftRotate(arr + n - d, 2 * d - n, d); /*This is tricky*/
}
}
/*UTILITY FUNCTIONS*/
/* function to print an array */
void printArray(int arr[], int size)
{
int i;
for(i = 0; i < size; i++)
cout << arr[i] << " ";
cout << endl;
}
/*This function swaps d elements starting at index fi
with d elements starting at index si */
void swap(int arr[], int fi, int si, int d)
{
int i, temp;
for(i = 0; i < d; i++)
{
temp = arr[fi + i];
arr[fi + i] = arr[si + i];
arr[si + i] = temp;
}
}
// Driver Code
int main()
{
int arr[] = {1, 2, 3, 4, 5, 6, 7};
leftRotate(arr, 2, 7);
printArray(arr, 7);
return 0;
}
// This code is contributed by Rath Bhupendra
ANSWER
Answered 2020-Aug-30 at 16:38Can we add integers to an array in c++ as given in the else part of the left rotate function while passing the arguments (arr+n-d)?
How can we add integers to an array?
The answer is you can't, and that's not what's happening here.
int arr[] argument decays to a pointer to the first element of the array. It's the same as having int* arr so what you are doing in arr + n - d is simple pointer arithmetic.
The pointer will be moved n - d positions relative to the position it's at before the expression is evaluated.
Supposing the result of n - d is 4, and arr is pointing to the beginning of the array passed as an argument, that is to &arr[0] (in array notation) or arr + 0 (in pointer notation), which is where it's pointing to in its inicial state, you'll have arr + 4 or &arr[4], after the evaluation, the expression provides access to the address of index 4 (the 5th element of the array). To access the value within that address you'd use *(arr + 4) or arr[4].
On a side note I wouldn't advise the use of geeksforgeeks.com to learn C++, or any other language, for that matter, this should be done by reading a good book.
QUESTION
I have the input data, which beneficiaryPayId and parentBenePayId has parent children relationship:
...ANSWER
Answered 2020-Aug-19 at 13:15Ciao, you could filter input values finding father object ("parentBenePayId" === ""). Then filter input again looking for children and the insert values in result array like this:
QUESTION
I am doing Python file I/O exercises and albeit made a huge progress on an exercise in which I try to find the longest words in each line of a .txt file, I can't get rid of the punctuation marks.
Here is the code I have:
...ANSWER
Answered 2020-May-30 at 13:23You have to strip those characters from the words:
QUESTION
I am new to the CAN protocol and I am trying to utilise it through the Linux's SocketCAN. However, I am confused by the 2 different CAN sockets available, RAW and Broadcast Manager (BCM).
Documentation states that BCM sockets is not intended for sending individual CAN frames. Intuitively I am guessing BCM is more for single master- multiple slave configuration, but this seems somewhat wrong.
What is the BCM intended for? Or rathe, what's the difference in terms of functionality between them? In what kind of situation do I choose to use Broadcast Manager over Raw Sockets?
...ANSWER
Answered 2020-May-08 at 09:47I suggest looking into official documentation: https://www.kernel.org/doc/html/latest/networking/can.html
In short:
- RAW socket is for receiving and sending CAN frames.
- BCM socket is for special operations when you want to offload some task related to CAN messaging to Linux kernel instead of implementing it manually.
For example: You can send messages periodically from your code by using RAW socket and some timer.
Or you can send one message on BCM socket with appropriate configuration and afterwards Linux kernel will periodically send CAN messages for you. To stop this, you send a message on BCM socket again with different configuration.
BCM socket can also be used for automatic monitoring of received messages. In this case you specify how often you expect each message to be received and a data mask, send a message to BCM socket to configure this and voila. You will be able to read from the BCM socket only when the timeout for receiving expected message is triggered and when the message changed the content based on your provided data mask.
QUESTION
I'm trying to use WorkManager to upload a bitmap to the server. Basically the user takes a picture and presses a button to upload it to the server.
However, the problem comes when I try to serialise the bitmap using the Data.Builder class of Work Manager, which has a limit of 10240 bytes. Therefore, if I do the following:
...ANSWER
Answered 2019-Oct-18 at 19:58I would rathe avoid all file management if possible, because the user could always close the app, etc.
Then you should not use WorkManager. The documentation states this clearly:
WorkManager is not intended for in-process background work that can safely be terminated if the app process goes away
With regards to putting a lot of data in a Data, the documentation is clear on this as well:
There is a maximum size limit of 10KB for Data objects. [...] If you need to pass more data in and out of your Worker, you should put your data elsewhere
So if you want to use WorkManager for this after all (which sounds like a good idea to me), you have to put the large bitmap in a file, put the URI of that file in the Data object, and then in your doWork() upload the bitmap from that file and then delete the file.
If you kill your app in in the middle of doWork(), the WorkManager framework will start your app process (without a UI) later (with increasing backoff time) and attempt to do the upload again.
QUESTION
I have an Export created with Taleo Connect Client 17.4 that retrieves a list of offers from Taleo Enterprise 17.5.1.
...ANSWER
Answered 2019-Sep-10 at 17:44You should be able to use Candidate if you change the export mode to CSV.
QUESTION
I've a DataFrame with a Company column.
ANSWER
Answered 2019-Apr-04 at 10:18Change (\s|$) to ($) for match end of strings:
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