Open leeper opened 5 years ago
Please specify whether your issue is about:
## load package library("margins") ## code goes here > m <- lm(Sepal.Length ~ Sepal.Width * Species, data = iris) > margins(m, at = list(Species = c("setosa"))) Error in attributes(.Data) <- c(attributes(.Data), attrib) : 'names' attribute [1] must be the same length as the vector [0] > traceback() 7: structure(rep(list(list()), length(levs)), class = "data.frame", names = outcolnames, row.names = seq_len(nrow(data))) at dydx.R#171 6: dydx.factor(data = data, model = model, varslist$fnames[i], type = type, fwrap = FALSE, as.data.frame = as.data.frame, ...) at marginal_effects_glm.R#29 5: marginal_effects.lm(model = model, data = data, variables = variables, type = type, eps = eps, varslist = varslist, ...) at marginal_effects.R#61 4: marginal_effects(model = model, data = data, variables = variables, type = type, eps = eps, varslist = varslist, ...) at build_margins.R#34 3: build_margins(model = model, data = data_list[[i]], variables = variables, type = type, vcov = vcov, vce = vce, iterations = iterations, unit_ses = unit_ses, eps = eps, varslist = varslist, ...) at margins_glm.R#37 2: margins.lm(m, at = list(Species = c("setosa"))) at margins.R#131 1: margins(m, at = list(Species = c("setosa"))) ## session info for your system > sessionInfo() R version 3.5.3 (2019-03-11) Platform: x86_64-w64-mingw32/x64 (64-bit) Running under: Windows 7 x64 (build 7601) Service Pack 1 Matrix products: default locale: [1] LC_COLLATE=English_United Kingdom.1252 LC_CTYPE=English_United Kingdom.1252 LC_MONETARY=English_United Kingdom.1252 [4] LC_NUMERIC=C LC_TIME=English_United Kingdom.1252 attached base packages: [1] stats graphics grDevices utils datasets methods base other attached packages: [1] prediction_0.3.10 loaded via a namespace (and not attached): [1] Rcpp_1.0.1 rappdirs_0.3.1 bit_1.1-14 debugme_1.1.0 R6_2.4.0 blob_1.1.1 tools_3.5.3 [8] parsedate_1.1.3 data.table_1.12.2 DBI_1.0.0 remotes_2.0.4 bit64_0.9-7 assertthat_0.2.1 digest_0.6.18 [15] rprojroot_1.3-2 crancache_0.0.0.9000 crayon_1.3.4 curl_3.3 memoise_1.1.0 RSQLite_2.1.1 cranlike_1.0.2 [22] compiler_3.5.3 desc_1.2.0 backports_1.1.3
Please specify whether your issue is about: