From 0c2ae1600ee064cd5d01d7ff8ba6b3ba650ee22b Mon Sep 17 00:00:00 2001 From: shikhareddy <66842982+shikhareddy@users.noreply.github.com> Date: Thu, 29 Oct 2020 15:17:29 +0530 Subject: [PATCH 1/2] Update README.md --- README.md | 27 +++++++++++++-------------- 1 file changed, 13 insertions(+), 14 deletions(-) diff --git a/README.md b/README.md index 0890f99..5ba6493 100644 --- a/README.md +++ b/README.md @@ -10,28 +10,27 @@ What is Survival Analysis? ------------------------ **Survival Analysis** involves estimating when an event of interest, \( T \) -would take places given some features or covariates \( X \). In statistics -and ML these scenarious are modelled as regression to estimate the conditional -survival distribution, \( \mathbb{P}(T>t|X) \). As compared to typical -regression problems, Survival Analysis differs in two major ways: - -* The Event distribution, \( T \) has positive support ie. - \( T \in [0, \infty) \). -* There is presence of censoring ie. a large number of instances of data are +would take place given some features or covariates \( X \). In statistics +and ML, these scenarios are modelled as regression to estimate the conditional +survival distribution, ℙ (T > t | X). +As compared to typical regression problems, Survival Analysis differs in two major ways: + +* The Event distribution, \( T \) has positive support i.e. T ∈ [0, ∞). +* There is presence of censoring i.e. a large number of instances of data are lost to follow up. Deep Survival Machines ---------------------- - + -**Deep Survival Machines (DSM)** is a fully parametric approach to model -Time-to-Event outcomes in the presence of Censoring first introduced in +**Deep Survival Machines (DSM)** is a **fully parametric** approach to model +Time-to-Event outcomes in the presence of Censoring, first introduced in [\[1\]](https://arxiv.org/abs/2003.01176). In the context of Healthcare ML and Biostatistics, this is known as 'Survival Analysis'. The key idea behind Deep Survival Machines is to model the -underlying event outcome distribution as a mixure of some fixed \( k \) +underlying event outcome distribution as a mixure of some fixed \( K \) parametric distributions. The parameters of these mixture distributions as well as the mixing weights are modelled using Neural Networks. @@ -115,5 +114,5 @@ GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Deep Survival Machines. If not, see . - - + + From 049f90a0393fe480996a19f6a274854f8515ddbe Mon Sep 17 00:00:00 2001 From: shikhareddy <66842982+shikhareddy@users.noreply.github.com> Date: Thu, 29 Oct 2020 15:19:10 +0530 Subject: [PATCH 2/2] Update README.md --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index 5ba6493..f70ee83 100644 --- a/README.md +++ b/README.md @@ -115,4 +115,4 @@ You should have received a copy of the GNU General Public License along with Deep Survival Machines. If not, see . - +