nanny | tidyverse suite for machine-learning : cluster | Data Visualization library
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kandi X-RAY | nanny Summary
nanny: A tidyverse machine-learning suite.
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QUESTION
I am new to context API and trying to get my code to work. I am getting error:
Uncaught TypeError: Object is not iterable (cannot read property Symbol(Symbol.iterator))
Would some of you good people help with this?
The initialUserState logs an object the looks like this: {name: nanny}
My context file is:
...ANSWER
Answered 2022-Feb-12 at 10:19Couple issues I see:
- You are passing the context provider component
GlobalContext
to theuseContext
hook,const [values, setValues] = useContext(GlobalContext);
- The context value is an array, so when using array destructuring the order of the array elements matters.
Use the correct variable for the context. You may want to give the context the GlobalContext
name, and rename the provider something like GlobalProvider
. I suggest also using an object for the context value to eliminate the array element order destructuring issue.
QUESTION
This is my first stack overflow question, so if I am presenting something wrong, please let me know. I am pretty new to computer programming, so I just have a small webpage where I am just implementing things that I am learning.
I made a little quiz with random trivia multiple choice questions you can take if you press a button. I am using window prompts to ask the questions and get the answers, and I have all of the questions and answers stored as objects with question/prompt and answer pairs. All of those objects are stored in an array in a variable called shortQuizPrompts. I already have the quiz working and everything, aka., It tells you after every question if you got the answer to that question right or wrong, and it gives you a grade afterwards... I also have it set up so that if you enter an answer that is not "a", "b", "c", or "d", it lets you know that it isnt a valid answer. Those sorts of things.
As of right now, you can choose how many questions long you want the quiz to be out of the 24 total questions I have so far. It just asks the questions in the order that they are stored in the array. For example, you will never be asked the last question in the array if you do not choose for the quiz to be the full 24 questions long. However, I want to make the quiz ask the questions in a random order, while also removing those questions from the array as to not ask the same question multiple times.
I have tried increasing the iterator while looping through the array to a random number from 0 to the length of however many questions they chose. Then checking to see if the iterator was larger than the length of the number of questions they chose, it would decrease the iterator until it found a question that is still in the array that it could ask...
If anyone knows how to go about doing that, it would be great. Sorry for the long question btw. I am pretty new to coding, so this is probably a simple answer, but I digress. I'm pretty sure I did everything right. Thx.
...ANSWER
Answered 2022-Jan-12 at 01:03You can shuffle the shortQuizPrompts
array before starting the quiz. Array shuffle details can be found in this answer.
QUESTION
I tried to cluster my dataset using K-mean, but there is a categorical data in column 9; so when I ran k-mean it had an error like this:
...ANSWER
Answered 2021-Dec-17 at 17:31To solve your specific issue, you can generate dummy variables to run your desired clustering.
One way to do it is using the dummy_columns()
function from the fastDummies
package.
QUESTION
I ran multiple imputation to impute missing data for 2 variables of a data frame, then I got a new data frame (with 2 columns for 2 imputed variables).
Now, I want to replace the 2 columns in the original data frame with the two newly imputed columns from my new dataframe. What should I do?
Original data frame new data frame for imputed variables
This is the code I used. Only 2 columns in this data frame are missing data, so I only imputed those two. Is that ok? Can you please suggest me a better way?
...ANSWER
Answered 2021-Dec-14 at 22:53Updated
As @dcarlson recommended, you can run mice
on the entire dataframe, then you can use complete
to get the whole output dataframe. Then, you can join the new data with your original dataframe.
QUESTION
I am building a quiz app with Vue 3 and Bootstrap 4.
I have this method for checking if the clicked answer is the (same as the) correct answer:
...ANSWER
Answered 2021-Nov-30 at 15:37This is executing it before the click:
:class="{'text-white bg-success' : checkAnswer(answer)}"
.
You'll need to keep the state in a variable for each answer and update it within the method.
And as a side node, it is recommended to use :key
for looped elements.
QUESTION
I have thousands of csv files, which, using dask, I have repartitioned and converted to parquet using dask. So, I have a parquet file with 100 partitions, but now I want to read that parquet file in and write out one parquet file per symbol (stock data).
This post Dask dataframe split partitions based on a column or function made me think that setting the index was the right thing to do.
Setup
I'm running this on an aws m5.24xlarge instance as I couldn't get a cluster to work (another post I'll have to make), and I"m using Jupyter Lab through an ssh tunnel. Everything is a very recent install:
...ANSWER
Answered 2021-Oct-18 at 10:00You write that you "want to read that parquet file in and write out one parquet file per symbol". You can achieve this using the set_index
and repartition
API as follows:
QUESTION
Videos I shoot using an inexpensive pen camera show an incorrect date in the Date and Date modified fields. When I view the file's Properties I see a Created date that is correct.
What might be causing this? Please see the images attached below.
The .MOV file (with a correct value in the Date modified field) was shot using an inexpensive action camera. The .AVI file is the one shot by the pen camera.
...ANSWER
Answered 2021-Sep-19 at 20:58Working with feedback provided by StarGeek in a comment to my question, I reformatted the SD card that came with the pen camera, then created the two folders and one text file (PHOTO, VIDEO, time.txt) the pen camera would normally auto-create upon inserting the SD card into the camera. That seemed to resolve the issue with the various file date fields showing incorrect dates.
In one of my comments above I also complained that the fix seemed to disable the photo function; it turns out that I had just not understood the camera's instructions clearly (the user must invoke the video mode first, then use the function button to take photos).
I'm not going to mark this answer as the accepted one for now; I want to test the pen camera out for a few days to ensure that the fix described above actually continues to work.
QUESTION
The metrics-server-v0.3.6 deployment that is installed into GKE clusters by default is using an outdated version of addon-resizer (addon-resizer:1.8.11-gke.0) that causes CPU utilization and throttling issues. See here
The cluster running is on the latest version of the regular release branch (1.20.8-gke.900), when editing the metric-server workload deployment and changing the version of addon-resizer to addon-resizer-1.8.14 the deployment reverts back to the old version that is managed by google.
Is there a way to change the image that the metrics-server-nanny container deployment is using permanently or is there a way to update the entire metrics-server deployment so that the containers that are running are on an update version?
...ANSWER
Answered 2021-Aug-06 at 13:23You cannot update those deployments. Any updates you make will be reverted to the original deployment spec.
Looks like the "fix" will be released with 1.22 and initially backported to 1.21 as well. It will likely make it back to 1.19+ eventually.
QUESTION
I am using the below code to make a function that opens multiple files when the function is called
...ANSWER
Answered 2021-Jul-25 at 06:18Try this method once
QUESTION
I am using a code below to open file from list of list one by one
...ANSWER
Answered 2021-Jul-23 at 16:39From what I know, you cannot open multiple files in the same variable at once.
It would be best to use the file to do what you would want to do, e.g storing the text on the file in a list, then going to the next one and doing the same. It's quite hard to give you a workaround if you don't say what you mean to do with the files
Here is what I would do:
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