# All Questions

41 views
+50

### Computing fit of model to horizontally-misalligned time-series data

I have a model that predicts the level of harmonic tension in a piece of music, at every note/chord in the piece. I also have participant data (time series) that contains subjective ratings of tension ...
81 views
+50

### What is the meaning of expression $\sum E[y_{t-1}y_{t-1}^T]$ & how to implement?

Eq(1) represents an Autoregressive model driven by a zero mean input $x_t$ where $h = [h1,h2,..,hp]^T$; $y[t-1] = [y[t-1],y[t-2],...,y[t-p]^T$. Output of these observations are corrupted by zero ...
75 views
+100

### Standard error clustering under treatment assignment in groups of varying size

Basic setup: Unit of observation is the individual. Treatment (binary) is assigned on city level. Every state contains 4 cities, 2 get randomly chosen for treatment, 2 control. There are only few ...
50 views
+50

### Estimate accuracy of an estimation on Poisson binomial distribution

I manage a website that charges its customers using payment cards. Some transactions area approved, others are declined. I compute the approval rate of transactions for a interval (a calendar day) as ...