a b/inst/extdata/shapersToydata.txt 

  1
  
SNP CHR BP  Beta_A  SE_A    A1.x    A2.x    Beta_B  SE_B    A1.y    A2.y





  
  

  2
  
rs3934834   1   1005806 -0.034  0.028   T   C   -.03008054  .01903132   T   C





  
  

  3
  
rs3766192   1   1017197 0.044   0.022   T   C   .03141488   .01407837   T   C





  
  

  4
  
rs3766191   1   1017587 -0.027  0.027   T   C   -.02615416  .01975312   T   C





  
  

  5
  
rs9442372   1   1018704 0.047   0.022   G   A   .02888977   .0138719    G   A





  
  

  6
  
rs10907177  1   1021346 -0.011  0.03    G   A   -.02384108  .01996994   G   A





  
  

  7
  
rs6687776   1   1030565 -0.044  0.021   T   C   -.01259525  .01885059   T   C





  
  

  8
  
rs6678318   1   1030633 -0.044  0.021   A   G   -.01656161  .02128818   A   G