CMLE for networkDynamic now stops with an informative error if times=…

… is not specified.

fixes #124

DESCRIPTION

@@ -1,5 +1,5 @@
 Package: tergm
-Version: 4.2-2561
+Version: 4.2-2562
 Date: 2024-10-08
 Title: Fit, Simulate and Diagnose Models for Network Evolution Based on Exponential-Family Random Graph Models
 Authors@R: c(

R/tergm.CMLE.R

@@ -14,6 +14,8 @@ tergm.CMLE <- function(formula, times, ..., control, basis) {
     if(inherits(nw, "network.list") || (is.list(nw) && !is.network(nw) && is.network(nw[[1]]))){
       NetSeries <- NetSeries(nw, NA.impute=control$CMLE.NA.impute)
     }else if(inherits(nw,"networkDynamic")){
+      if(is.null(times)) stop("When estimating CMLE on ", sQuote("networkDynamic"), " data, you must specify ",
+                              sQuote("times="), ".")
       NetSeries <- NetSeries(nw, times, NA.impute=control$CMLE.NA.impute)
     }else{
       stop("Unsupported specification for the network series. See help for ",sQuote("NetSeries")," for arguments.")

R/tergm.R

@@ -33,13 +33,13 @@
 #' 
 #' @param times For CMLE and CMPLE estimation, times or indexes at
 #'   which the networks whose transition is to be modeled are
-#'   observed. Default to \code{c(0,1)} if \code{nw} is a
-#'   \code{\link[networkDynamic]{networkDynamic}} and to
-#'   \code{1:length(nw)} (all transitions) if \code{nw} is a
-#'   \code{\link{network.list}} or a \code{\link{list}}. Unused for
-#'   EGMME. Note that at this time, the selected time points will be
-#'   treated as temporally adjacent. Irregluarly spaced time series
-#'   are not supported at this time.
+#'   observed. This argument is mandatory if \code{nw} is a
+#'   [`networkDynamic`] and defaults to \code{1:length(nw)} (all
+#'   transitions) if \code{nw} is a [`network.list`] or a
+#'   [`list`]. Ignored when estimating EGMME or if LHS is already a
+#'   [`NetSeries`]. Note that at this time, the selected time points
+#'   will be treated as temporally adjacent. Irregluarly spaced time
+#'   series are not supported at this time.
 #' 
 #' @param offset.coef Numeric vector to specify offset parameters.
 #' @param targets One-sided \code{\link{ergm}}-style formula specifying