vlookup in R?

Hi R-users,

I would like to search for the values of seq that match my rand values.? In excel I will use =VLOOKUP(G2,$E$2:$F$32,2).? For example, for rand=.262 it will give me approximately seq=120 and rand=0.964293344, seq=460 and etc.

E???????????F???? G
cdf?? ??? ? seq?? rand
0.00E+00??? 0???? 0.262123478
1.56E-03??? 20??? 0.964293344
1.55E-02??? 40??? 0.494827113
5.30E-02??? 60??? 0.733726005
1.16E-01??? 80??? 0.800408948
1.97E-01??? 100?? 0.925748466
2.88E-01??? 120?? 0.047578356
3.80E-01??? 140?? 0.266060366
4.68E-01??? 160?? 0.125522629
5.48E-01??? 180?? 0.701193274
6.18E-01??? 200?? 0.915799432
6.79E-01??? 220?? 0.735984375
7.32E-01??? 240?? 0.517838069
7.76E-01??? 260?? 0.042085025
8.13E-01??? 280?? 0.568346202
8.44E-01??? 300?? 0.067140721
8.70E-01??? 320?? 0.71437727
8.92E-01??? 340?? 0.712210456
9.10E-01??? 360?? 0.288460952
9.26E-01??? 380?? 0.185857723
9.38E-01??? 400?? 0.108859523
9.49E-01??? 420?? 0.513351848
9.57E-01??? 440?? 0.22214423
9.65E-01??? 460?? 0.500350963
9.71E-01??? 480?? 0.437818537
9.76E-01??? 500?? 0.851771599
9.80E-01??? 520?? 0.803521836
9.83E-01??? 540?? 0.249824519
9.86E-01??? 560?? 0.859248634
9.88E-01??? 580?? 0.126926481
9.90E-01??? 600?? 0.713431196
??????????? ????? 0.253425703
??????????? ????? 0.830195013
??????????? ????? 0.723929563
??????????? ????? 0.027588733
??????????? ????? 0.091067232
??????????? ????? 0.689504685
??????????? ????? 0.890469069
??????????? ????? 0.710440382
Thank you so much for your help.




? ? ? ?[[alternative HTML version deleted]]