CRAN Package Check Results for Package antitrust

Last updated on 2025-09-18 06:50:08 CEST.

Flavor	Version	Tinstall	Tcheck	Ttotal	Status	Flags
r-devel-linux-x86_64-debian-clang	0.99.30	9.93	85.87	95.80	OK
r-devel-linux-x86_64-debian-gcc	0.99.30	7.50	58.58	66.08	OK
r-devel-linux-x86_64-fedora-clang	0.99.30			147.19	OK
r-devel-linux-x86_64-fedora-gcc	0.99.30			166.42	OK
r-devel-windows-x86_64	0.99.30	15.00	108.00	123.00	OK
r-patched-linux-x86_64	0.99.30	10.86	81.50	92.36	OK
r-release-linux-x86_64	0.99.29	10.70	72.03	82.73	ERROR
r-release-macos-arm64	0.99.30			104.00	OK
r-release-macos-x86_64	0.99.30			152.00	OK
r-release-windows-x86_64	0.99.30	16.00	93.00	109.00	OK
r-oldrel-macos-arm64	0.99.30			107.00	OK
r-oldrel-macos-x86_64	0.99.30			143.00	OK
r-oldrel-windows-x86_64	0.99.30	15.00	118.00	133.00	OK

Check Details

Version: 0.99.29
Check: examples
Result: ERROR Running examples in ‘antitrust-Ex.R’ failed The error most likely occurred in: > base::assign(".ptime", proc.time(), pos = "CheckExEnv") > ### Name: AIDS-Functions > ### Title: (Nested) AIDS Calibration and Merger Simulation > ### Aliases: AIDS-Functions aids pcaids pcaids.nests > > ### ** Examples > > ## Simulate a merger between two single-product firms A and B in a > ## three-firm market (A, B, C). This example assumes that the merger is between > ## the firms A and B and that A's own-price elasticity is > ## known. > ## Source: Epstein and Rubinfeld (2004), pg 9, Table 2. > > > prices <- c(2.9,3.4,2.2) ## optional for aids, unnecessary for pcaids > shares <- c(.2,.3,.5) > > > ## The following are used by aids but not pcaids > ## only two of the margins are required to calibrate the demand parameters > margins <- c(0.33, 0.36, 0.44) > > ## The following are used by pcaids, but not aids > knownElast<- -3 > mktElast <- -1 > > > ## Define ownership using a vector of firm identities > ownerPre <- c("A","B","C") > ownerPost <- c("A","A","C") > > ## Alternatively, ownership could be defined using matrices > #ownerPre=diag(1,length(shares)) > #ownerPost=ownerPre > #ownerPost[1,2] <- ownerPost[2,1] <- 1 > > > ## AIDS: the following assumes both prices and margins are known. > ## Prices are not needed to estimate price changes > > > > result.aids <- aids(shares,margins,prices,ownerPre=ownerPre,ownerPost=ownerPost,labels=ownerPre) > > > > print(result.aids) # return predicted price change Warning in .local(object, ...) : Slot 'insideSize' is missing. Calculating CV as a percentage change in (aggregate) income Warning in .local(object, ...) : 'calcQuantities' yielded all NAs. Using 'calcShares' instead Warning in .local(object, ...) : 'calcQuantities' yielded all NAs. Using 'calcShares' instead Merger simulation results under 'AIDS' demand: HHI Change 1200 Industry Price Change (%) 7.3 Merging Party Price Change (%) 12 Compensating Marginal Cost Reduction (%) NA Consumer Harm ($) 7.3 Producer Benefit ($) 0.18 Difference ($) 7.2 > summary(result.aids) # summarize merger simulation Merger simulation results under 'AIDS' demand: pricePre pricePost priceDelta sharesPre sharesPost outputDelta * A 2.9 3.3 14 20 17 -13.2 * B 3.4 3.8 11 30 28 -6.5 C 2.2 2.3 4 50 55 9.1 Notes: '*' indicates merging parties' products. Deltas are percent changes. Output is based on revenues. > > elast(result.aids,TRUE) # returns premerger elasticities A B C A -3.0303027 0.7575762 1.262627 B 0.5050508 -2.7777773 1.262627 C 0.5050508 0.7575762 -2.272727 > elast(result.aids,FALSE) # returns postmerger elasticities A B C A -3.3370108 0.8728868 1.454025 B 0.5402877 -2.8999816 1.349594 C 0.4628976 0.6941436 -2.167141 > > diversion(result.aids,TRUE) # return premerger diversion ratios A B C A -1.0000000 0.375 0.6250000 B 0.2857143 -1.000 0.7142857 C 0.4000000 0.600 -1.0000000 > diversion(result.aids,FALSE) # return postmerger diversion ratios A B C A -1.0000000 0.375 0.6250000 B 0.2857143 -1.000 0.7142857 C 0.4000000 0.600 -1.0000000 > > > cmcr(result.aids) #calculate compensating marginal cost reduction Error in loadNamespace(x) : there is no package called ‘MASS’ Calls: cmcr ... loadNamespace -> withRestarts -> withOneRestart -> doWithOneRestart Execution halted Flavor: r-release-linux-x86_64