NA/NaN/Inf error when fitting HMM using depmixS4 in R <p>I'm trying to fit simple hidden markov models in R using depmix. But I sometimes get obscure errors (Na/NaN/Inf in foreign function call). For instance</p> <pre><code> require(depmixS4) t = data.frame(v=c(0.0622031327669583,-0.12564002739468,-0.117354660120178,0.0115062213361335,0.122992418345013,-0.0177816909620965,0.0164821157439354,0.161981367176501,-0.174367935386872,0.00429417498601576,0.00870091566593177,-0.00324734222267713,-0.0609817740148078,0.0840679943325736,-0.0722982123741866,0.00309386232501072,0.0136237132601905,-0.0569072400881981,0.102323872007477,-0.0390675463642003,0.0373248728294635,-0.0839484669503484,0.0514620475651086,-0.0306598076180909,-0.0664992242224042,0.826857872461293,-0.172970803143762,-0.071091459861684,-0.0128631184461384,-0.0439382422065227,-0.0552809574423446,0.0596321725192134,-0.06043926984848,0.0398700063815422)) mod = depmix(response=v~1, data=t, nstates=2) fit(mod) ... NA/NaN/Inf in foreign function call (arg 10) </code></pre> <p>And I can have input of almost identical size and complexity work fine...Is there a preferred tool to depmixS4 here?</p>