**Daily update | 24 January, 2023**

# StackExchange

#### Do I need to have studied econometrics to do time series analysis?

**Source:** stats**Views:** 33**Score:** 3**Tags:** r forecasting arima references econometrics

#### Can the off-diagonal elements of Fisher information matrix be negative?

**Source:** stats**Views:** 65**Score:** 3**Tags:** fisher-information

#### Difference between natural cubic splines implementation: $\texttt{rcs}$ (rms) vs. $\texttt{ns}$ (splines) in R

**Source:** stats**Views:** 58**Score:** 3**Tags:** r regression logistic nonlinear-regression splines

#### Plotting multinomial choice regression model in R

**Source:** stats**Views:** 18**Score:** 2**Tags:** r regression data-visualization ordered-logit

#### Test for multivariate stationarity

**Source:** stats**Views:** 13**Score:** 2**Tags:** time-series correlation stationarity garch multivariate-distribution