lifeline | A cron-based alternative to running daemons | Cron Utils library
kandi X-RAY | lifeline Summary
kandi X-RAY | lifeline Summary
A cron-based alternative to running daemons
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lifeline Key Features
lifeline Examples and Code Snippets
Community Discussions
Trending Discussions on lifeline
QUESTION
I installed the python package lifelines
on my terminal. The windows terminal is my terminal of choice, with a powershell and anaconda terminal that I often used.
I tried installing the package using the provided commands in the documentation:
pip install lifelines
and
conda install -c conda-forge lifelines
Both times the installation is marked as successfull. When I run Python within the terminal I can import the lifelines package without problem. However whem I import it on a jupyter notebook it yields a ModuleNotFoundError.
The base environment I use does not contain the lifelines package when I verify its contents using the Anaconda Navigator.
...ANSWER
Answered 2021-May-21 at 12:33The jupyter notebooks are run on Anaconda Powershell, and so are the environments and packages.
Installing on the Windows Powershell will never work. Running the conda install -c conda-forge lifelines
in the Anaconda shell solved the issue.
So silly, yet so time consuming it is worth sharing.
QUESTION
I have a question concerning survival analysis. However, I have the following data (just an excerpt):
Now I am trying to do Survival Analysis with Python lifelines package. For example I want to find out if T-cells influence the Overall Survival (OS). But as far as I know, I need to categorizie the numer of T cells in different categories, like e.g. High T-Cell and Low T-Cell... Is that right? But how do I find out the best fitting Cut-Out? My plan is to show, that Tumor with High T-Cells have a better survival than low T-Cells. But how could I find the best cut-off-value to discriminate between High and Low T-Cell out of the data I have here.
Does anyone has an idea? A friend of mine said something about "ROC"-Analysis but I am really confused now... I would be glad about any help!
...ANSWER
Answered 2021-May-19 at 12:44The transformation of continuous variables into categorical variables is far from obvious. A first approach can be based on the existing literature, especially in medicine/biology. A review of the existing literature may be sufficient to create these classes. Another method can be based on the empirical distribution of the T-Cells variable, sometimes highlighting an "obvious" categorization. The use of an ROC curve can be a good idea but somehow I don't think it is necessary. Categorizing your variable in Kaplan-Meier type survival analyses is necessary, but if you use Cox models there is no need to categorize this variable. So I would advise you to turn to Cox regressions to conduct your survival analysis. A Cox regression would allow you to add several predictors in your modeling as well as interaction terms, which is more convenient.
QUESTION
I want to estimate cox models but when I try to run the code ,I have an error. it seems this problem about the coxphfitter().does any one here that solve this problem. I think the lifelines library can not compute coefficients with ML method .So here I copy errors and sample code .I should to say I write the code just for example and inputs not reall.
code
...ANSWER
Answered 2021-Feb-12 at 12:18The given clearly states the problem:
ConvergenceError: Convergence halted due to matrix inversion problems. Suspicion is high collinearity. Please see the following tips in the lifelines documentation: https://lifelines.readthedocs.io/en/latest/Examples.html#problems-with-convergence-in-the-cox-proportional-hazard-modelMatrix is singular.
Without the real data I can't give any further advice. But the lifelines documentation gives a lot of advice on this issue:
Convergence halted due to matrix inversion problems: This means that there is high collinearity in your dataset. That is, a column is equal to the linear combination of 1 or more other columns. A common cause of this error is dummying categorical variables but not dropping a column, or some hierarchical structure in your dataset. Try to find the relationship by: adding a penalizer to the model, ex: CoxPHFitter(penalizer=0.1).fit(…) until the model converges. In the print_summary(), the coefficients that have high collinearity will have large (absolute) magnitude in the coefs column. using the variance inflation factor (VIF) to find redundant variables. looking at the correlation matrix of your dataset, or
This is very likely not an error caused by lifelines instead it is your data or how you apply the model on your data.
QUESTION
In section "17.3.4.1 Lifeline" of UML Specification 2.5.1, it writes:
"If the name is ‘self’, then the Lifeline represents the object of the classifier that encloses the Interaction that owns the Lifeline. Ports of the encloser may be shown separately even when self is included."
Unfortunately, there is no example of how to show a port in a sequence diagram. Now, does this statement mean that we can represent ports of the class as a lifeline, or is there any other notation to show the ports in a sequence diagram?
...ANSWER
Answered 2021-Feb-17 at 08:01we can represent ports of the class as a lifeline ... ?
A Lifeline represents a ConnectableElement (§17.12.17.4 of formal/2017-12-05). A Port is a Property (§ 11.8.14.3) which is a ConnectableElement (§9.9.17.3), so a Port is a ConnectableElement and the answer is yes
Ports of the encloser may be shown separately even when self is included.
This is a precision saying there is no restriction for the ports of the encloser, to avoid possible doubt
QUESTION
I am writing some python code to do Kaplan-Meier (KM) curves using the KM Fitter and usually plot 4 curves in the same graph to compare different groups. The basic way to get a KM curve is:
from lifelines import KaplanMeierFitter
#Create the KMF object
KM_curve = KaplanMeierFitter()
#Give data to object. Status is 0 if alive, 1 if deceased (in my case)
KM_curve.fit (durations=My_Data["Time"], event_observed=My_Data["Status"])
#I do a figure in which I use this line 4 times (one per group)
KM_curve.plot(ci_show=False)
With those 4 lines of code and a pandas dataframe (here called My_Data) the KM Fitter automatically does all the calculations and plotting, but I was wondering if anyone knows how to stop the curve prematurely. I have done around 50 different graphs, they look nice and give me the info I need, but sometimes the last part of some curves dramatically drops to 0% (vertically) or very close to it. That is weird since none of my groups has 0 survivors at the end of my x-axis [See in this example, the red line https://i.stack.imgur.com/bn6Vy.png ]
I did read that the KM curves are good to see trends in the middle section, but the last part of the curves may be misleading and has to be examined carefully. That is especially true if there are not enough patients left in that group and thus, the %survival estimate drops dramatically. Someone who does bioinformatics told me she usually stops plotting the curve whenever 10% of patients are left, to prevent this issue. Is it possible to do that in python KMF?
...ANSWER
Answered 2020-Dec-07 at 18:36There are few ways to achieve this:
1.
QUESTION
I am using CoxPH implementation of lifelines package in python. Currently, results are in tabular view of coefficients and related stats and can be seen with print_summary(). Here is an example
...ANSWER
Answered 2020-Jun-25 at 13:20you can access the c-index with cph.concordance_index_
- and you could put this into a list or dataframe if you wish.
QUESTION
I know, I know, bootstrap 4 comes pre-loaded with equal height columns. Why then is the height of each individual p tag within each column dictated by the length of the string of text and not by the column height? I just want each client bubble to appear uniform with the rest on the list, any help would be amazing. Screenshots of the site and relevant code snippets are included.
...ANSWER
Answered 2020-Sep-14 at 21:52The easiest way to do it is adding flexbox to the .col
elements. And then tell your .cli
to grow using flex:
QUESTION
I have a frequency column in my dataframe.
...ANSWER
Answered 2020-Aug-27 at 00:37You can try
QUESTION
How do I implement these images each time player failed to guess a letter and where should I put it at? When player failed to guess 1 letter, hangman 1 will display, then followed with hangman 2 then hangman 3 and so on? Here is my code. images is in the console.log
...ANSWER
Answered 2020-Aug-10 at 11:27Use a Generator !
To better understand what a generator is you can go here: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/function*
QUESTION
I need help with my hangman game
, how do I stop lives going down if players guess repeated letter before, as for now if I run it and player guesses the same letter, it will output that he have already made this guess but the lives is dropping too. Also if players keep input the same correct letter, it will output that he have already made this guesses but it will say he won after inputting the same letter 4-5 times.
1st error: lives dropping even if players use letter that is guessed before
2nd error: players input the same correct letter guessed and game will say he won after inputting 4-5 times
Code
...ANSWER
Answered 2020-Aug-10 at 08:18Inside else
for valid guess
move your entire code inside else
of if (guesses.includes(guess)) {
. It will solve both of your issues.
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Install lifeline
On a UNIX-like operating system, using your system’s package manager is easiest. However, the packaged Ruby version may not be the newest one. There is also an installer for Windows. Managers help you to switch between multiple Ruby versions on your system. Installers can be used to install a specific or multiple Ruby versions. Please refer ruby-lang.org for more information.
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