Error in re-building vignettes:
  ...
Note: estimand and s.d.denom not specified; assuming ATT and treated.
Note: estimand and s.d.denom not specified; assuming ATT and treated.
Note: estimand and s.d.denom not specified; assuming ATT and treated.
Note: estimand and s.d.denom not specified; assuming ATT and treated.
Note: estimand and s.d.denom not specified; assuming ATT and treated.
Note: estimand and s.d.denom not specified; assuming ATT and treated.
Note: estimand and s.d.denom not specified; assuming ATT and treated.

Attaching package: 'MatchIt'

The following object is masked _by_ '.GlobalEnv':

    lalonde

The following object is masked from 'package:cobalt':

    lalonde

Loading required package: gbm
Loading required package: survival
Loading required package: lattice
Loading required package: splines
Loading required package: parallel
Loaded gbm 2.1.3
Loading required package: survey
Loading required package: grid
Loading required package: Matrix

Attaching package: 'survey'

The following object is masked from 'package:graphics':

    dotchart

Loading required package: xtable
Loading required package: latticeExtra
Loading required package: RColorBrewer
Loading required package: MASS
## 
##  Matching (Version 4.9-2, Build Date: 2015-12-25)
##  See http://sekhon.berkeley.edu/matching for additional documentation.
##  Please cite software as:
##   Jasjeet S. Sekhon. 2011. ``Multivariate and Propensity Score Matching
##   Software with Automated Balance Optimization: The Matching package for R.''
##   Journal of Statistical Software, 42(7): 1-52. 
##

The optmatch package has an academic license. Enter relaxinfo() for more information.
Loading required package: nnet
Loading required package: numDeriv
Loading required package: glmnet
Loading required package: foreach
Loaded glmnet 2.0-13

CBPS: Covariate Balancing Propensity Score
Version: 0.14
Authors: Christian Fong [aut, cre],
  Marc Ratkovic [aut],
  Kosuke Imai [aut],
  Chad Hazlett [ctb],
  Xiaolin Yang [ctb],
  Sida Peng [ctb]

##
## ebal Package: Implements Entropy Balancing.

## See http://www.stanford.edu/~jhain/ for additional information.


Quitting from lines 496-502 (cobalt_basic_use.Rmd) 
Error: processing vignette 'cobalt_basic_use.Rmd' failed with diagnostics:
Encountered an infinite value in the weighting matrix.  Use the just-identified version of CBPS instead by setting method = "exact".
Execution halted