Questions tagged [multi-level]

529 questions
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Two levels of longitudinal data: how to reshape?

I have a data set with multiple time points of hippocampal volume for each subject. Each hippocampal volume has a left and right measurement. I now want to compare left and right change longitudinally. I know how to reshape my data for the time…
user6121484
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Meaning of "trait" in MCMCglmm

Like in this post I'm struggling with the notation of MCMCglmm, especially what is meant by trait. My code ist the following library("MCMCglmm") set.seed(123) y <- sample(letters[1:3], size = 100, replace = TRUE) x <- rnorm(100) id <- rep(1:10,…
Qaswed
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covariance structure for multilevel modelling

I have a multilevel repeated measures dataset of around 300 patients each with up to 10 repeated measures predicting troponin rise. There are other variables in the dataset, but I haven't included them here. I am trying to use nlme to create a…
Annemarie
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PostgreSQL multi-layer partitioning

I have been using partitioning with a postgreSQL database for a while. My database has grown quite a lot and does so nicely with partitioning. Unfortunately I now seem to have hit another barrier in speed and am trying to figure out some ways to…
Tim
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Extracting all path from a multi-level dictionary

I have a dictionary like this: dirDict = {"DIR1" : { "DIR11" : { "DIR111" : "Maki111", "DIR112" : "Maki112" }, …
Prag
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How do you get average of sums in SQL (multi-level aggregation)?

I have a simplified table xx as follows: rdate date rtime time rid integer rsub integer rval integer primary key on (rdate,rtime,rid,rsub) and I want to get the average (across all times) of the sums (across all ids) of the values. By way…
paxdiablo
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d3 multi layer doughnut chart labels and dataupdate

I am very new to d3js. I am trying to adapt the example of the 3 ring doughnut chart posted in the different topic on the forum. I would need additionally text labels to be displayed on the arcs and an action which would trigger animation and an…
DS009
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Multi-level prioritized cache

We have the following requirements to a cache (java). Cache-entries have different priority regarding eviction - the following properties of an entry will be a factor in this priority When it was inserted or last used (LRU) The resources needed to…
Per Steffensen
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How does setting the opt argument for lmeControl change estimation?

I'm wondering if anyone knows how exactly setting the optimizer in lme() to opt='optim' changes parameter estimation. As in this example: ctrl <- lmeControl(opt='optim'); flow.lme <- lme(rate ~ nozzle, error= nozzle|operator, control=ctrl,…
arrrrRgh
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Symfony2: Multi-level parameters in YML

Here is what I want to do. I've got some yml file like... My custom yml file : # app/config/sv_parameters.yml parameters: sv_email: debug: "debug@debug.com" admin: "admin@admin.com" ... The config.yml file, importing my custom params…
Bonswouar
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Multi level menu with PHP

I have a subject table like this: id title parent_id full_path full_path is for finding parent as recursive. Like this: +----+-----------+-----------+-----------+ | id | title | full_path | parent_id…
Chalist
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How to create multilevel ListView In Android

i need to create a multi level list. like this image i try this ,this and this but not get any idea how to implement multilevel list view. i try to create my own like this main1.xml
user1367623
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Getting Data From Multi-level Array

Question below. This is the solution I came up with based on Pixeler's answer. $v1) { if (is_array($v1)) { echo $k1."
"; foreach ($v1 as $k2 => $v2) { …
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Convert nested dictionary to multilevel column dataframe

I have a dictionary which I want to convert to multilevel column dataframe and the index will be the most outer keys of the dictionary. my_dict = {'key1': {'sub-key1': {'sub-sub-key1':'a','sub-sub-key2':'b'}, 'sub-key2':…
EMT
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How can I know whether the model is converged or failed to converge in lme4 without warning message in r?

duplicated For example, I can assess whether this multilevel model is a singular fit or not by using isSingular() function. Likewise, is there any way that I can know whether this model is converged or failed to be converged? My advisor said, if the…
yoo
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